30899402 has 8 divisors (see below), whose sum is σ = 46373796. Its totient is φ = 15441472.

The previous prime is 30899399. The next prime is 30899411. The reversal of 30899402 is 20499803.

It can be written as a sum of positive squares in 2 ways, for example, as 30261001 + 638401 = 5501^2 + 799^2 .

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, 3128 + ... + 8460.

Almost surely, 2^30899402 is an apocalyptic number.

30899402 is a deficient number, since it is larger than the sum of its proper divisors (15474394).

30899402 is a wasteful number, since it uses less digits than its factorization.

30899402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 30899402 is about 5558.7230548031. The cubic root of 30899402 is about 313.7978942033.

The spelling of 30899402 in words is "thirty million, eight hundred ninety-nine thousand, four hundred two".