30397994 has 8 divisors (see below), whose sum is σ = 49742208. Its totient is φ = 13817260.

The previous prime is 30397987. The next prime is 30398009. The reversal of 30397994 is 49979303.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 690842 + ... + 690885.

It is an arithmetic number, because the mean of its divisors is an integer number (6217776).

Almost surely, 2^30397994 is an apocalyptic number.

30397994 is a deficient number, since it is larger than the sum of its proper divisors (19344214).

30397994 is a wasteful number, since it uses less digits than its factorization.

30397994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381740.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 30397994 is about 5513.4375846653. The cubic root of 30397994 is about 312.0912852001.

The spelling of 30397994 in words is "thirty million, three hundred ninety-seven thousand, nine hundred ninety-four".