38523240 has 96 divisors (see below), whose sum is σ = 143095680. Its totient is φ = 8804736.

The previous prime is 38523239. The next prime is 38523263. The reversal of 38523240 is 4232583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5124 + ... + 10163.

It is an arithmetic number, because the mean of its divisors is an integer number (1490580).

Almost surely, 2^38523240 is an apocalyptic number.

38523240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38523240 is an abundant number, since it is smaller than the sum of its proper divisors (104572440).

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

38523240 is a wasteful number, since it uses less digits than its factorization.

38523240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311 (or 15304 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 38523240 is about 6206.7092730367. The cubic root of 38523240 is about 337.7335995943.

The spelling of 38523240 in words is "thirty-eight million, five hundred twenty-three thousand, two hundred forty".