39414991 has 16 divisors (see below), whose sum is σ = 49282560. Its totient is φ = 30624480.

The previous prime is 39414989. The next prime is 39414997. The reversal of 39414991 is 19941493.

It is a cyclic number.

It is not a de Polignac number, because 39414991 - 2¹ = 39414989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39414997) 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, 42430 + ... + 43348.

It is an arithmetic number, because the mean of its divisors is an integer number (3080160).

Almost surely, 2^39414991 is an apocalyptic number.

39414991 is a deficient number, since it is larger than the sum of its proper divisors (9867569).

39414991 is a wasteful number, since it uses less digits than its factorization.

39414991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494.

The product of its digits is 34992, while the sum is 40.

The square root of 39414991 is about 6278.1359494678. The cubic root of 39414991 is about 340.3197424664.

The spelling of 39414991 in words is "thirty-nine million, four hundred fourteen thousand, nine hundred ninety-one".