623486 has 4 divisors (see below), whose sum is σ = 935232. Its totient is φ = 311742.

The previous prime is 623477. The next prime is 623521. The reversal of 623486 is 684326.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155870 + ... + 155873.

It is an arithmetic number, because the mean of its divisors is an integer number (233808).

2⁶²³⁴⁸⁶ is an apocalyptic number.

623486 is a deficient number, since it is larger than the sum of its proper divisors (311746).

623486 is a wasteful number, since it uses less digits than its factorization.

623486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311745.

The product of its digits is 6912, while the sum is 29.

The square root of 623486 is about 789.6112967784. The cubic root of 623486 is about 85.4297040844.

The spelling of 623486 in words is "six hundred twenty-three thousand, four hundred eighty-six".