39944046 has 16 divisors (see below), whose sum is σ = 79997904. Its totient is φ = 13296384.

The previous prime is 39944041. The next prime is 39944057. The reversal of 39944046 is 64044993.

It is a junction number, because it is equal to n+sod(n) for n = 39943995 and 39944013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39944041) 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, 606 + ... + 8958.

It is an arithmetic number, because the mean of its divisors is an integer number (4999869).

Almost surely, 2^39944046 is an apocalyptic number.

39944046 is an abundant number, since it is smaller than the sum of its proper divisors (40053858).

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

39944046 is a wasteful number, since it uses less digits than its factorization.

39944046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 39944046 is about 6320.1302201774. The cubic root of 39944046 is about 341.8356482640.

The spelling of 39944046 in words is "thirty-nine million, nine hundred forty-four thousand, forty-six".