39540036 has 24 divisors (see below), whose sum is σ = 96272064. Its totient is φ = 12606880.

The previous prime is 39540029. The next prime is 39540043. The reversal of 39540036 is 63004593.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (39540029) and next prime (39540043).

It is a junction number, because it is equal to n+sod(n) for n = 39539985 and 39540012.

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, 71355 + ... + 71906.

It is an arithmetic number, because the mean of its divisors is an integer number (4011336).

Almost surely, 2^39540036 is an apocalyptic number.

It is an amenable number.

39540036 is an abundant number, since it is smaller than the sum of its proper divisors (56732028).

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

39540036 is a wasteful number, since it uses less digits than its factorization.

39540036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143291 (or 143289 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 39540036 is about 6288.0868314615. The cubic root of 39540036 is about 340.6792533845.

The spelling of 39540036 in words is "thirty-nine million, five hundred forty thousand, thirty-six".