39875240 has 16 divisors (see below), whose sum is σ = 89719380. Its totient is φ = 15950080.

The previous prime is 39875219. The next prime is 39875267. The reversal of 39875240 is 4257893.

It can be written as a sum of positive squares in 2 ways, for example, as 39212644 + 662596 = 6262^2 + 814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39875194 and 39875203.

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, 498401 + ... + 498480.

Almost surely, 2^39875240 is an apocalyptic number.

It is an amenable number.

39875240 is an abundant number, since it is smaller than the sum of its proper divisors (49844140).

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

39875240 is a wasteful number, since it uses less digits than its factorization.

39875240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996892 (or 996888 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 39875240 is about 6314.6844735109. The cubic root of 39875240 is about 341.6392580300.

The spelling of 39875240 in words is "thirty-nine million, eight hundred seventy-five thousand, two hundred forty".