30823038 has 32 divisors (see below), whose sum is σ = 68793120. Its totient is φ = 10229760.

The previous prime is 30823019. The next prime is 30823043. The reversal of 30823038 is 83032803.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

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, 12768 + ... + 14988.

It is an arithmetic number, because the mean of its divisors is an integer number (2149785).

Almost surely, 2^30823038 is an apocalyptic number.

30823038 is an abundant number, since it is smaller than the sum of its proper divisors (37970082).

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

30823038 is a wasteful number, since it uses less digits than its factorization.

30823038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 30823038 is about 5551.8499619496. The cubic root of 30823038 is about 313.5391768993.

The spelling of 30823038 in words is "thirty million, eight hundred twenty-three thousand, thirty-eight".