623974 has 16 divisors (see below), whose sum is σ = 1022112. Its totient is φ = 283968.

The previous prime is 623963. The next prime is 623977. The reversal of 623974 is 479326.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623977) 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, 2562 + ... + 2794.

It is an arithmetic number, because the mean of its divisors is an integer number (63882).

2⁶²³⁹⁷⁴ is an apocalyptic number.

623974 is a deficient number, since it is larger than the sum of its proper divisors (398138).

623974 is a wasteful number, since it uses less digits than its factorization.

623974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its digits is 9072, while the sum is 31.

The square root of 623974 is about 789.9202491391. The cubic root of 623974 is about 85.4519867678.

The spelling of 623974 in words is "six hundred twenty-three thousand, nine hundred seventy-four".