30240398 has 16 divisors (see below), whose sum is σ = 45978000. Its totient is φ = 14916096.

The previous prime is 30240389. The next prime is 30240401. The reversal of 30240398 is 89304203.

30240398 is nontrivially palindromic in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 30240398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60353 + ... + 60851.

It is an arithmetic number, because the mean of its divisors is an integer number (2873625).

Almost surely, 2^30240398 is an apocalyptic number.

30240398 is a deficient number, since it is larger than the sum of its proper divisors (15737602).

30240398 is a wasteful number, since it uses less digits than its factorization.

30240398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30240398 is about 5499.1270216281. The cubic root of 30240398 is about 311.5510129124.

The spelling of 30240398 in words is "thirty million, two hundred forty thousand, three hundred ninety-eight".