38498730 has 32 divisors (see below), whose sum is σ = 93441600. Its totient is φ = 10150272.

The previous prime is 38498701. The next prime is 38498743. The reversal of 38498730 is 3789483.

38498730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38498730² = 2964304423225800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4540 + ... + 9879.

It is an arithmetic number, because the mean of its divisors is an integer number (2920050).

Almost surely, 2^38498730 is an apocalyptic number.

38498730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38498730 is an abundant number, since it is smaller than the sum of its proper divisors (54942870).

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

38498730 is a wasteful number, since it uses less digits than its factorization.

38498730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14518.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 38498730 is about 6204.7344826350. The cubic root of 38498730 is about 337.6619579332.

The spelling of 38498730 in words is "thirty-eight million, four hundred ninety-eight thousand, seven hundred thirty".