30394628 has 12 divisors (see below), whose sum is σ = 58026192. Its totient is φ = 13815720.

The previous prime is 30394607. The next prime is 30394631. The reversal of 30394628 is 82649303.

It is a happy number.

It is a super-2 number, since 2×30394628² = 1847666822516768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345350 + ... + 345437.

It is an arithmetic number, because the mean of its divisors is an integer number (4835516).

Almost surely, 2^30394628 is an apocalyptic number.

It is an amenable number.

30394628 is a deficient number, since it is larger than the sum of its proper divisors (27631564).

30394628 is a wasteful number, since it uses less digits than its factorization.

30394628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690802 (or 690800 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 30394628 is about 5513.1323220108. The cubic root of 30394628 is about 312.0797653825.

It can be divided in two parts, 3039 and 4628, that added together give a palindrome (7667).

The spelling of 30394628 in words is "thirty million, three hundred ninety-four thousand, six hundred twenty-eight".