39982374 has 48 divisors (see below), whose sum is σ = 90654720. Its totient is φ = 12720240.

The previous prime is 39982373. The next prime is 39982391. The reversal of 39982374 is 47328993.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39982373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43629 + ... + 44535.

It is an arithmetic number, because the mean of its divisors is an integer number (1888640).

Almost surely, 2^39982374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39982374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45327360).

39982374 is an abundant number, since it is smaller than the sum of its proper divisors (50672346).

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

39982374 is a wasteful number, since it uses less digits than its factorization.

39982374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1022 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 39982374 is about 6323.1617091452. The cubic root of 39982374 is about 341.9449485617.

The spelling of 39982374 in words is "thirty-nine million, nine hundred eighty-two thousand, three hundred seventy-four".