30899368 has 8 divisors (see below), whose sum is σ = 57936330. Its totient is φ = 15449680.

The previous prime is 30899359. The next prime is 30899369. The reversal of 30899368 is 86399803.

It can be written as a sum of positive squares in only one way, i.e., 17489124 + 13410244 = 4182^2 + 3662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (30899369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931203 + ... + 1931218.

Almost surely, 2^30899368 is an apocalyptic number.

It is an amenable number.

30899368 is a deficient number, since it is larger than the sum of its proper divisors (27036962).

30899368 is a wasteful number, since it uses less digits than its factorization.

30899368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862427 (or 3862423 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 30899368 is about 5558.7199965460. The cubic root of 30899368 is about 313.7977791080.

The spelling of 30899368 in words is "thirty million, eight hundred ninety-nine thousand, three hundred sixty-eight".