39874540 has 24 divisors (see below), whose sum is σ = 88144560. Its totient is φ = 15110208.

The previous prime is 39874529. The next prime is 39874561. The reversal of 39874540 is 4547893.

It is a junction number, because it is equal to n+sod(n) for n = 39874493 and 39874502.

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, 52087 + ... + 52846.

It is an arithmetic number, because the mean of its divisors is an integer number (3672690).

Almost surely, 2^39874540 is an apocalyptic number.

It is an amenable number.

39874540 is an abundant number, since it is smaller than the sum of its proper divisors (48270020).

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

39874540 is a wasteful number, since it uses less digits than its factorization.

39874540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104961 (or 104959 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 39874540 is about 6314.6290469037. The cubic root of 39874540 is about 341.6372588874.

The spelling of 39874540 in words is "thirty-nine million, eight hundred seventy-four thousand, five hundred forty".