30499392 has 112 divisors (see below), whose sum is σ = 100657152. Its totient is φ = 7918080.

The previous prime is 30499363. The next prime is 30499393. The reversal of 30499392 is 29399403.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 30499392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30499393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13753 + ... + 15815.

Almost surely, 2^30499392 is an apocalyptic number.

30499392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30499392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50328576).

30499392 is an abundant number, since it is smaller than the sum of its proper divisors (70157760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30499392 is a wasteful number, since it uses less digits than its factorization.

30499392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 30499392 is about 5522.6254625857. The cubic root of 30499392 is about 312.4379123585.

The spelling of 30499392 in words is "thirty million, four hundred ninety-nine thousand, three hundred ninety-two".