3493899136 has 192 divisors, whose sum is σ = 8854256880. Its totient is φ = 1360945152.

The previous prime is 3493899133. The next prime is 3493899139. The reversal of 3493899136 is 6319983943.

It is an interprime number because it is at equal distance from previous prime (3493899133) and next prime (3493899139).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493899131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5951835 + ... + 5952421.

Almost surely, 2^3493899136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3493899136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4427128440).

3493899136 is an abundant number, since it is smaller than the sum of its proper divisors (5360357744).

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

3493899136 is a wasteful number, since it uses less digits than its factorization.

3493899136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 682 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 55.

The square root of 3493899136 is about 59109.2136303639. The cubic root of 3493899136 is about 1517.4117911322.

The spelling of 3493899136 in words is "three billion, four hundred ninety-three million, eight hundred ninety-nine thousand, one hundred thirty-six".