30398494 has 16 divisors (see below), whose sum is σ = 52184448. Its totient is φ = 13009752.

The previous prime is 30398491. The next prime is 30398513. The reversal of 30398494 is 49489303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30398491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15349 + ... + 17215.

It is an arithmetic number, because the mean of its divisors is an integer number (3261528).

Almost surely, 2^30398494 is an apocalyptic number.

30398494 is a deficient number, since it is larger than the sum of its proper divisors (21785954).

30398494 is a wasteful number, since it uses less digits than its factorization.

30398494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 30398494 is about 5513.4829282406. The cubic root of 30398494 is about 312.0929963304.

The spelling of 30398494 in words is "thirty million, three hundred ninety-eight thousand, four hundred ninety-four".