623476 has 18 divisors (see below), whose sum is σ = 1269618. Its totient is φ = 267120.

The previous prime is 623437. The next prime is 623477. The reversal of 623476 is 674326.

It can be written as a sum of positive squares in only one way, i.e., 396900 + 226576 = 630^2 + 476^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1395 + ... + 1786.

2⁶²³⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

623476 is an abundant number, since it is smaller than the sum of its proper divisors (646142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623476 is a wasteful number, since it uses less digits than its factorization.

623476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199 (or 3190 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 623476 is about 789.6049645234. The cubic root of 623476 is about 85.4292473505.

It can be divided in two parts, 62 and 3476, that multiplied together give a palindrome (215512).

The spelling of 623476 in words is "six hundred twenty-three thousand, four hundred seventy-six".