623492 has 24 divisors (see below), whose sum is σ = 1183896. Its totient is φ = 286208.

The previous prime is 623477. The next prime is 623521. The reversal of 623492 is 294326.

It can be written as a sum of positive squares in 4 ways, for example, as 379456 + 244036 = 616^2 + 494^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁶ + 2¹⁵ + 4² + 3⁹ + 9² + 2¹⁹ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 623492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3518 + ... + 3690.

It is an arithmetic number, because the mean of its divisors is an integer number (49329).

2⁶²³⁴⁹² is an apocalyptic number.

It is an amenable number.

623492 is a deficient number, since it is larger than the sum of its proper divisors (560404).

623492 is a wasteful number, since it uses less digits than its factorization.

623492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 245 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 623492 is about 789.6150961070. The cubic root of 623492 is about 85.4299781224.

The spelling of 623492 in words is "six hundred twenty-three thousand, four hundred ninety-two".