3281694990 has 64 divisors (see below), whose sum is σ = 9007234560. Its totient is φ = 749600640.

The previous prime is 3281694989. The next prime is 3281695003. The reversal of 3281694990 is 994961823.

It is a super-2 number, since 2×3281694990² = 21539044014782200200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375996 + ... + 384624.

It is an arithmetic number, because the mean of its divisors is an integer number (140738040).

Almost surely, 2^3281694990 is an apocalyptic number.

3281694990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3281694990 is an abundant number, since it is smaller than the sum of its proper divisors (5725539570).

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

3281694990 is a wasteful number, since it uses less digits than its factorization.

3281694990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10457.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 3281694990 is about 57286.0802464264. The cubic root of 3281694990 is about 1486.0476593977.

The spelling of 3281694990 in words is "three billion, two hundred eighty-one million, six hundred ninety-four thousand, nine hundred ninety".