396973623 has 16 divisors (see below), whose sum is σ = 536697216. Its totient is φ = 260975520.

The previous prime is 396973601. The next prime is 396973627. The reversal of 396973623 is 326379693.

It is not a de Polignac number, because 396973623 - 2¹⁰ = 396972599 is a prime.

It is a super-2 number, since 2×396973623² = 315176114715492258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396973627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60961 + ... + 67157.

It is an arithmetic number, because the mean of its divisors is an integer number (33543576).

Almost surely, 2^396973623 is an apocalyptic number.

396973623 is a deficient number, since it is larger than the sum of its proper divisors (139723593).

396973623 is a wasteful number, since it uses less digits than its factorization.

396973623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494.

The product of its digits is 1102248, while the sum is 48.

The square root of 396973623 is about 19924.1969223354. The cubic root of 396973623 is about 734.9433821907.

The spelling of 396973623 in words is "three hundred ninety-six million, nine hundred seventy-three thousand, six hundred twenty-three".