39996250 has 60 divisors (see below), whose sum is σ = 87342354. Its totient is φ = 13692000.

The previous prime is 39996247. The next prime is 39996259. The reversal of 39996250 is 5269993.

It can be written as a sum of positive squares in 5 ways, for example, as 41209 + 39955041 = 203^2 + 6321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39996197 and 39996206.

It is not an unprimeable number, because it can be changed into a prime (39996259) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 60924 + ... + 61576.

Almost surely, 2^39996250 is an apocalyptic number.

39996250 is an abundant number, since it is smaller than the sum of its proper divisors (47346104).

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

39996250 is an equidigital number, since it uses as much as digits as its factorization.

39996250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 39996250 is about 6324.2588498574. The cubic root of 39996250 is about 341.9845016517.

The spelling of 39996250 in words is "thirty-nine million, nine hundred ninety-six thousand, two hundred fifty".