30239090 has 32 divisors (see below), whose sum is σ = 65867904. Its totient is φ = 9757440.

The previous prime is 30239059. The next prime is 30239119. The reversal of 30239090 is 9093203.

It is a Curzon 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, 11516 + ... + 13895.

It is an arithmetic number, because the mean of its divisors is an integer number (2058372).

Almost surely, 2^30239090 is an apocalyptic number.

30239090 is an abundant number, since it is smaller than the sum of its proper divisors (35628814).

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

30239090 is a wasteful number, since it uses less digits than its factorization.

30239090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25442.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 30239090 is about 5499.0080923745. The cubic root of 30239090 is about 311.5465209675.

The spelling of 30239090 in words is "thirty million, two hundred thirty-nine thousand, ninety".