30479406 has 32 divisors (see below), whose sum is σ = 64419840. Its totient is φ = 9598176.

The previous prime is 30479381. The next prime is 30479413. The reversal of 30479406 is 60497403.

30479406 = 454² + 455² + ... + 569².

It is a super-2 number, since 2×30479406² = 1857988380225672, which contains 22 as substring.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 6315 + ... + 10041.

It is an arithmetic number, because the mean of its divisors is an integer number (2013120).

Almost surely, 2^30479406 is an apocalyptic number.

30479406 is an abundant number, since it is smaller than the sum of its proper divisors (33940434).

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

30479406 is a wasteful number, since it uses less digits than its factorization.

30479406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 30479406 is about 5520.8157006008. The cubic root of 30479406 is about 312.3696514505.

The spelling of 30479406 in words is "thirty million, four hundred seventy-nine thousand, four hundred six".