38314840 has 16 divisors (see below), whose sum is σ = 86208480. Its totient is φ = 15325920.

The previous prime is 38314831. The next prime is 38314847. The reversal of 38314840 is 4841383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38314847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478896 + ... + 478975.

It is an arithmetic number, because the mean of its divisors is an integer number (5388030).

Almost surely, 2^38314840 is an apocalyptic number.

It is an amenable number.

38314840 is an abundant number, since it is smaller than the sum of its proper divisors (47893640).

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

38314840 is a wasteful number, since it uses less digits than its factorization.

38314840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957882 (or 957878 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 38314840 is about 6189.8982221035. The cubic root of 38314840 is about 337.1234831756.

The spelling of 38314840 in words is "thirty-eight million, three hundred fourteen thousand, eight hundred forty".