623920346 has 16 divisors (see below), whose sum is σ = 1089759744. Its totient is φ = 262348944.

The previous prime is 623920343. The next prime is 623920387. The reversal of 623920346 is 643029326.

It is not an unprimeable number, because it can be changed into a prime (623920343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419690 + ... + 421173.

It is an arithmetic number, because the mean of its divisors is an integer number (68109984).

Almost surely, 2^623920346 is an apocalyptic number.

623920346 is a deficient number, since it is larger than the sum of its proper divisors (465839398).

623920346 is a wasteful number, since it uses less digits than its factorization.

623920346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840925.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 623920346 is about 24978.3975867148. The cubic root of 623920346 is about 854.4953742844.

The spelling of 623920346 in words is "six hundred twenty-three million, nine hundred twenty thousand, three hundred forty-six".