38739380 has 12 divisors (see below), whose sum is σ = 81352740. Its totient is φ = 15495744.

The previous prime is 38739373. The next prime is 38739391. The reversal of 38739380 is 8393783.

It can be written as a sum of positive squares in 2 ways, for example, as 10903204 + 27836176 = 3302^2 + 5276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968465 + ... + 968504.

It is an arithmetic number, because the mean of its divisors is an integer number (6779395).

Almost surely, 2^38739380 is an apocalyptic number.

It is an amenable number.

38739380 is an abundant number, since it is smaller than the sum of its proper divisors (42613360).

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

38739380 is a wasteful number, since it uses less digits than its factorization.

38739380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936978 (or 1936976 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 38739380 is about 6224.0967216135. The cubic root of 38739380 is about 338.3640557626.

The spelling of 38739380 in words is "thirty-eight million, seven hundred thirty-nine thousand, three hundred eighty".