3666212904 has 32 divisors (see below), whose sum is σ = 9251197920. Its totient is φ = 1210648896.

The previous prime is 3666212839. The next prime is 3666212939. The reversal of 3666212904 is 4092126663.

It is a super-2 number, since 2×3666212904² = 26882234114912226432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711259 + ... + 716394.

It is an arithmetic number, because the mean of its divisors is an integer number (289099935).

Almost surely, 2^3666212904 is an apocalyptic number.

It is an amenable number.

3666212904 is an abundant number, since it is smaller than the sum of its proper divisors (5584985016).

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

3666212904 is a wasteful number, since it uses less digits than its factorization.

3666212904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427769 (or 1427765 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 3666212904 is about 60549.2601441174. The cubic root of 3666212904 is about 1541.9580569339.

The spelling of 3666212904 in words is "three billion, six hundred sixty-six million, two hundred twelve thousand, nine hundred four".