39437442 has 56 divisors (see below), whose sum is σ = 96796080. Its totient is φ = 11945880.

The previous prime is 39437441. The next prime is 39437471. The reversal of 39437442 is 24473493.

It is a junction number, because it is equal to n+sod(n) for n = 39437397 and 39437406.

It is not an unprimeable number, because it can be changed into a prime (39437441) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14809 + ... + 17267.

Almost surely, 2^39437442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39437442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48398040).

39437442 is an abundant number, since it is smaller than the sum of its proper divisors (57358638).

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

39437442 is a wasteful number, since it uses less digits than its factorization.

39437442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2475 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 39437442 is about 6279.9237256515. The cubic root of 39437442 is about 340.3843462133.

The spelling of 39437442 in words is "thirty-nine million, four hundred thirty-seven thousand, four hundred forty-two".