30404156 has 6 divisors (see below), whose sum is σ = 53207280. Its totient is φ = 15202076.

The previous prime is 30404111. The next prime is 30404167. The reversal of 30404156 is 65140403.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3800516 + ... + 3800523.

It is an arithmetic number, because the mean of its divisors is an integer number (8867880).

Almost surely, 2^30404156 is an apocalyptic number.

It is an amenable number.

30404156 is a deficient number, since it is larger than the sum of its proper divisors (22803124).

30404156 is a wasteful number, since it uses less digits than its factorization.

30404156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601043 (or 7601041 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30404156 is about 5513.9963728679. The cubic root of 30404156 is about 312.1123718610.

Adding to 30404156 its reverse (65140403), we get a palindrome (95544559).

The spelling of 30404156 in words is "thirty million, four hundred four thousand, one hundred fifty-six".