3493651392 has 672 divisors, whose sum is σ = 13565306880. Its totient is φ = 878169600.

The previous prime is 3493651379. The next prime is 3493651393. The reversal of 3493651392 is 2931563943.

3493651392 is a `hidden beast` number, since 3 + 49 + 3 + 6 + 513 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (524880) is a multiple of the sum of its prime divisors (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493651393) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 112698417 + ... + 112698447.

Almost surely, 2^3493651392 is an apocalyptic number.

3493651392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3493651392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6782653440).

3493651392 is an abundant number, since it is smaller than the sum of its proper divisors (10071655488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3493651392 is a wasteful number, since it uses less digits than its factorization.

3493651392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 54 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 3493651392 is about 59107.1179469952. The cubic root of 3493651392 is about 1517.3759249420.

The spelling of 3493651392 in words is "three billion, four hundred ninety-three million, six hundred fifty-one thousand, three hundred ninety-two".