3366888021 has 24 divisors (see below), whose sum is σ = 5737332224. Its totient is φ = 1861872480.

The previous prime is 3366887957. The next prime is 3366888037. The reversal of 3366888021 is 1208886633.

It is not a de Polignac number, because 3366888021 - 2⁶ = 3366887957 is a prime.

It is a super-2 number, since 2×3366888021² = 22671869891906592882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3366888071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 860026 + ... + 863931.

Almost surely, 2^3366888021 is an apocalyptic number.

3366888021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3366888021 is a deficient number, since it is larger than the sum of its proper divisors (2370444203).

3366888021 is a wasteful number, since it uses less digits than its factorization.

3366888021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724001 (or 1723998 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 3366888021 is about 58024.8913915399. The cubic root of 3366888021 is about 1498.7972612040.

The spelling of 3366888021 in words is "three billion, three hundred sixty-six million, eight hundred eighty-eight thousand, twenty-one".