30086644 has 12 divisors (see below), whose sum is σ = 60173344. Its totient is φ = 12894264.

The previous prime is 30086521. The next prime is 30086657. The reversal of 30086644 is 44668003.

30086644 is an admirable number.

It is a super-2 number, since 2×30086644² = 1810412294365472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537234 + ... + 537289.

Almost surely, 2^30086644 is an apocalyptic number.

It is an amenable number.

30086644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30086644 is a wasteful number, since it uses less digits than its factorization.

30086644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074534 (or 1074532 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 30086644 is about 5485.1293512551. The cubic root of 30086644 is about 311.0220998001.

The spelling of 30086644 in words is "thirty million, eighty-six thousand, six hundred forty-four".