39056540 has 24 divisors (see below), whose sum is σ = 82298832. Its totient is φ = 15569280.

The previous prime is 39056539. The next prime is 39056543. The reversal of 39056540 is 4565093.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 39056497 and 39056506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39056543) 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, 2960 + ... + 9320.

It is an arithmetic number, because the mean of its divisors is an integer number (3429118).

Almost surely, 2^39056540 is an apocalyptic number.

It is an amenable number.

39056540 is an abundant number, since it is smaller than the sum of its proper divisors (43242292).

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

39056540 is a wasteful number, since it uses less digits than its factorization.

39056540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677 (or 6675 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 39056540 is about 6249.5231818116. The cubic root of 39056540 is about 339.2849447391.

The spelling of 39056540 in words is "thirty-nine million, fifty-six thousand, five hundred forty".