38710420 has 24 divisors (see below), whose sum is σ = 92905344. Its totient is φ = 13272096.

The previous prime is 38710409. The next prime is 38710421. The reversal of 38710420 is 2401783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38710421) 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, 138112 + ... + 138391.

It is an arithmetic number, because the mean of its divisors is an integer number (3871056).

Almost surely, 2^38710420 is an apocalyptic number.

It is an amenable number.

38710420 is an abundant number, since it is smaller than the sum of its proper divisors (54194924).

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

38710420 is a wasteful number, since it uses less digits than its factorization.

38710420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276519 (or 276517 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 38710420 is about 6221.7698446664. The cubic root of 38710420 is about 338.2797189641.

The spelling of 38710420 in words is "thirty-eight million, seven hundred ten thousand, four hundred twenty".