39944463 has 16 divisors (see below), whose sum is σ = 58692480. Its totient is φ = 24008544.

The previous prime is 39944459. The next prime is 39944473. The reversal of 39944463 is 36444993.

It is not a de Polignac number, because 39944463 - 2² = 39944459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39944413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10233 + ... + 13586.

It is an arithmetic number, because the mean of its divisors is an integer number (3668280).

Almost surely, 2^39944463 is an apocalyptic number.

39944463 is a deficient number, since it is larger than the sum of its proper divisors (18748017).

39944463 is a wasteful number, since it uses less digits than its factorization.

39944463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23878.

The product of its digits is 279936, while the sum is 42.

The square root of 39944463 is about 6320.1632099179. The cubic root of 39944463 is about 341.8368378027.

The spelling of 39944463 in words is "thirty-nine million, nine hundred forty-four thousand, four hundred sixty-three".