39946958 has 4 divisors (see below), whose sum is σ = 59920440. Its totient is φ = 19973478.

The previous prime is 39946931. The next prime is 39946967. The reversal of 39946958 is 85964993.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9986738 + ... + 9986741.

It is an arithmetic number, because the mean of its divisors is an integer number (14980110).

Almost surely, 2^39946958 is an apocalyptic number.

39946958 is a deficient number, since it is larger than the sum of its proper divisors (19973482).

39946958 is a wasteful number, since it uses less digits than its factorization.

39946958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19973481.

The product of its digits is 2099520, while the sum is 53.

The square root of 39946958 is about 6320.3605909790. The cubic root of 39946958 is about 341.8439548939.

It can be divided in two parts, 39946 and 958, that added together give a palindrome (40904).

The spelling of 39946958 in words is "thirty-nine million, nine hundred forty-six thousand, nine hundred fifty-eight".