923490 has 48 divisors (see below), whose sum is σ = 2486016. Its totient is φ = 237600.

The previous prime is 923471. The next prime is 923501. The reversal of 923490 is 94329.

923490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2625 + ... + 2955.

It is an arithmetic number, because the mean of its divisors is an integer number (51792).

2⁹²³⁴⁹⁰ is an apocalyptic number.

923490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 923490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243008).

923490 is an abundant number, since it is smaller than the sum of its proper divisors (1562526).

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

923490 is a wasteful number, since it uses less digits than its factorization.

923490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 923490 is about 960.9838708324. The cubic root of 923490 is about 97.3817105898.

The spelling of 923490 in words is "nine hundred twenty-three thousand, four hundred ninety".