623748 has 24 divisors (see below), whose sum is σ = 1481760. Its totient is φ = 204160.

The previous prime is 623743. The next prime is 623759. The reversal of 623748 is 847326.

623748 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (623743) by changing a digit.

623748 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268 + ... + 1148.

It is an arithmetic number, because the mean of its divisors is an integer number (61740).

2⁶²³⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

623748 is an abundant number, since it is smaller than the sum of its proper divisors (858012).

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

623748 is a wasteful number, since it uses less digits than its factorization.

623748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 945 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 623748 is about 789.7771837677. Note that the first 3 decimals coincide. The cubic root of 623748 is about 85.4416687733.

The spelling of 623748 in words is "six hundred twenty-three thousand, seven hundred forty-eight".