39946377 has 12 divisors (see below), whose sum is σ = 55680464. Its totient is φ = 25472040.

The previous prime is 39946351. The next prime is 39946393. The reversal of 39946377 is 77364993.

It is not a de Polignac number, because 39946377 - 2¹¹ = 39944329 is a prime.

It is a super-2 number, since 2×39946377² = 3191426070852258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39946327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10999 + ... + 14172.

Almost surely, 2^39946377 is an apocalyptic number.

It is an amenable number.

39946377 is a deficient number, since it is larger than the sum of its proper divisors (15734087).

39946377 is a wasteful number, since it uses less digits than its factorization.

39946377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25220 (or 25197 counting only the distinct ones).

The product of its digits is 857304, while the sum is 48.

The square root of 39946377 is about 6320.3146282444. The cubic root of 39946377 is about 341.8422975937.

The spelling of 39946377 in words is "thirty-nine million, nine hundred forty-six thousand, three hundred seventy-seven".