30403412 has 48 divisors (see below), whose sum is σ = 61330752. Its totient is φ = 13063680.

The previous prime is 30403409. The next prime is 30403421. The reversal of 30403412 is 21430403.

It is a super-2 number, since 2×30403412² = 1848734922483488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent 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, 143987 + ... + 144197.

It is an arithmetic number, because the mean of its divisors is an integer number (1277724).

Almost surely, 2^30403412 is an apocalyptic number.

It is an amenable number.

30403412 is an abundant number, since it is smaller than the sum of its proper divisors (30927340).

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

30403412 is a wasteful number, since it uses less digits than its factorization.

30403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30403412 is about 5513.9289077753. The cubic root of 30403412 is about 312.1098260084.

Adding to 30403412 its reverse (21430403), we get a palindrome (51833815).

The spelling of 30403412 in words is "thirty million, four hundred three thousand, four hundred twelve".