30403164 has 24 divisors (see below), whose sum is σ = 77390208. Its totient is φ = 9213040.

The previous prime is 30403147. The next prime is 30403183. The reversal of 30403164 is 46130403.

It is a self number, because there is not a number n which added to its sum of digits gives 30403164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115032 + ... + 115295.

It is an arithmetic number, because the mean of its divisors is an integer number (3224592).

Almost surely, 2^30403164 is an apocalyptic number.

It is an amenable number.

30403164 is an abundant number, since it is smaller than the sum of its proper divisors (46987044).

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

30403164 is a wasteful number, since it uses less digits than its factorization.

30403164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230345 (or 230343 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30403164 is about 5513.9064192277. The cubic root of 30403164 is about 312.1089773816.

Adding to 30403164 its reverse (46130403), we get a palindrome (76533567).

The spelling of 30403164 in words is "thirty million, four hundred three thousand, one hundred sixty-four".