39872223 has 32 divisors (see below), whose sum is σ = 61543680. Its totient is φ = 25492320.

The previous prime is 39872219. The next prime is 39872243. The reversal of 39872223 is 32227893.

It is not a de Polignac number, because 39872223 - 2² = 39872219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39872243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70540 + ... + 71102.

It is an arithmetic number, because the mean of its divisors is an integer number (1923240).

Almost surely, 2^39872223 is an apocalyptic number.

39872223 is a deficient number, since it is larger than the sum of its proper divisors (21671457).

39872223 is a wasteful number, since it uses less digits than its factorization.

39872223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 670 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 39872223 is about 6314.4455813634. The cubic root of 39872223 is about 341.6306415583.

The spelling of 39872223 in words is "thirty-nine million, eight hundred seventy-two thousand, two hundred twenty-three".