3497421336 has 64 divisors (see below), whose sum is σ = 8925901920. Its totient is φ = 1141662720.

The previous prime is 3497421307. The next prime is 3497421379. The reversal of 3497421336 is 6331247943.

It is a happy number.

It is a super-3 number, since 3×3497421336³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335986 + ... + 346238.

Almost surely, 2^3497421336 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 3497421336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4462950960).

3497421336 is an abundant number, since it is smaller than the sum of its proper divisors (5428480584).

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

3497421336 is a wasteful number, since it uses less digits than its factorization.

3497421336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10556 (or 10552 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The square root of 3497421336 is about 59139.0001268199. Note that the first 3 decimals coincide. The cubic root of 3497421336 is about 1517.9215208672.

The spelling of 3497421336 in words is "three billion, four hundred ninety-seven million, four hundred twenty-one thousand, three hundred thirty-six".