30490854 has 16 divisors (see below), whose sum is σ = 61108992. Its totient is φ = 10142408.

The previous prime is 30490841. The next prime is 30490871. The reversal of 30490854 is 45809403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034 + ... + 8069.

It is an arithmetic number, because the mean of its divisors is an integer number (3819312).

Almost surely, 2^30490854 is an apocalyptic number.

30490854 is an abundant number, since it is smaller than the sum of its proper divisors (30618138).

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

30490854 is a wasteful number, since it uses less digits than its factorization.

30490854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 30490854 is about 5521.8524065752. The cubic root of 30490854 is about 312.4087550139.

The spelling of 30490854 in words is "thirty million, four hundred ninety thousand, eight hundred fifty-four".