30790469 has 4 divisors (see below), whose sum is σ = 32411040. Its totient is φ = 29169900.

The previous prime is 30790447. The next prime is 30790481. The reversal of 30790469 is 96409703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30790469 - 2²⁰ = 29741893 is a prime.

It is a super-2 number, since 2×30790469² = 1896105962479922, 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 (30690469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810257 + ... + 810294.

It is an arithmetic number, because the mean of its divisors is an integer number (8102760).

Almost surely, 2^30790469 is an apocalyptic number.

It is an amenable number.

30790469 is a deficient number, since it is larger than the sum of its proper divisors (1620571).

30790469 is a wasteful number, since it uses less digits than its factorization.

30790469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620570.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 30790469 is about 5548.9160202692. The cubic root of 30790469 is about 313.4287048095.

The spelling of 30790469 in words is "thirty million, seven hundred ninety thousand, four hundred sixty-nine".