38985740 has 24 divisors (see below), whose sum is σ = 83417040. Its totient is φ = 15299648.

The previous prime is 38985707. The next prime is 38985757. The reversal of 38985740 is 4758983.

It is a junction number, because it is equal to n+sod(n) for n = 38985691 and 38985700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17330 + ... + 19449.

It is an arithmetic number, because the mean of its divisors is an integer number (3475710).

Almost surely, 2^38985740 is an apocalyptic number.

It is an amenable number.

38985740 is an abundant number, since it is smaller than the sum of its proper divisors (44431300).

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

38985740 is a wasteful number, since it uses less digits than its factorization.

38985740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36841 (or 36839 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 38985740 is about 6243.8561802783. The cubic root of 38985740 is about 339.0798070618.

The spelling of 38985740 in words is "thirty-eight million, nine hundred eighty-five thousand, seven hundred forty".