3257913238 has 4 divisors (see below), whose sum is σ = 4886869860. Its totient is φ = 1628956618.

The previous prime is 3257913221. The next prime is 3257913247. The reversal of 3257913238 is 8323197523.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3257913238² = 21227997332671289288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3257913194 and 3257913203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814478308 + ... + 814478311.

It is an arithmetic number, because the mean of its divisors is an integer number (1221717465).

Almost surely, 2^3257913238 is an apocalyptic number.

3257913238 is a deficient number, since it is larger than the sum of its proper divisors (1628956622).

3257913238 is a wasteful number, since it uses less digits than its factorization.

3257913238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628956621.

The product of its digits is 272160, while the sum is 43.

The square root of 3257913238 is about 57078.1327480148. The cubic root of 3257913238 is about 1482.4492616673.

The spelling of 3257913238 in words is "three billion, two hundred fifty-seven million, nine hundred thirteen thousand, two hundred thirty-eight".