30397402 has 8 divisors (see below), whose sum is σ = 52109856. Its totient is φ = 13027452.

The previous prime is 30397399. The next prime is 30397427. The reversal of 30397402 is 20479303.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085608 + ... + 1085635.

It is an arithmetic number, because the mean of its divisors is an integer number (6513732).

Almost surely, 2^30397402 is an apocalyptic number.

30397402 is a deficient number, since it is larger than the sum of its proper divisors (21712454).

30397402 is a wasteful number, since it uses less digits than its factorization.

30397402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171252.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 30397402 is about 5513.3838973901. The cubic root of 30397402 is about 312.0892591976.

The spelling of 30397402 in words is "thirty million, three hundred ninety-seven thousand, four hundred two".