39764953 has 4 divisors (see below), whose sum is σ = 41493888. Its totient is φ = 38036020.

The previous prime is 39764951. The next prime is 39765001. The reversal of 39764953 is 35946793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35946793 = 131 ⋅274403.

It is not a de Polignac number, because 39764953 - 2¹ = 39764951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39764951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864433 + ... + 864478.

It is an arithmetic number, because the mean of its divisors is an integer number (10373472).

Almost surely, 2^39764953 is an apocalyptic number.

It is an amenable number.

39764953 is a deficient number, since it is larger than the sum of its proper divisors (1728935).

39764953 is a wasteful number, since it uses less digits than its factorization.

39764953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728934.

The product of its digits is 612360, while the sum is 46.

The square root of 39764953 is about 6305.9458449942. The cubic root of 39764953 is about 341.3239984079.

The spelling of 39764953 in words is "thirty-nine million, seven hundred sixty-four thousand, nine hundred fifty-three".