30047446 has 24 divisors (see below), whose sum is σ = 53357472. Its totient is φ = 12606000.

The previous prime is 30047389. The next prime is 30047471. The reversal of 30047446 is 64474003.

It is a super-2 number, since 2×30047446² = 1805698022245832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1630 + ... + 7921.

It is an arithmetic number, because the mean of its divisors is an integer number (2223228).

Almost surely, 2^30047446 is an apocalyptic number.

30047446 is a deficient number, since it is larger than the sum of its proper divisors (23310026).

30047446 is a wasteful number, since it uses less digits than its factorization.

30047446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588 (or 9577 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 30047446 is about 5481.5550713278. Note that the first 3 decimals coincide. The cubic root of 30047446 is about 310.8869707088.

The spelling of 30047446 in words is "thirty million, forty-seven thousand, four hundred forty-six".