3261874628 has 48 divisors (see below), whose sum is σ = 6279168000. Its totient is φ = 1475752608.

The previous prime is 3261874619. The next prime is 3261874631. The reversal of 3261874628 is 8264781623.

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, 2234963 + ... + 2236421.

It is an arithmetic number, because the mean of its divisors is an integer number (130816000).

Almost surely, 2^3261874628 is an apocalyptic number.

3261874628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3261874628 is a deficient number, since it is larger than the sum of its proper divisors (3017293372).

3261874628 is a wasteful number, since it uses less digits than its factorization.

3261874628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 2782 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 3261874628 is about 57112.8236738475. The cubic root of 3261874628 is about 1483.0498691373.

The spelling of 3261874628 in words is "three billion, two hundred sixty-one million, eight hundred seventy-four thousand, six hundred twenty-eight".