920464 has 10 divisors (see below), whose sum is σ = 1783430. Its totient is φ = 460224.

The previous prime is 920443. The next prime is 920467. The reversal of 920464 is 464029.

It can be written as a sum of positive squares in only one way, i.e., 883600 + 36864 = 940^2 + 192^2 .

It is not an unprimeable number, because it can be changed into a prime (920467) by changing a digit.

920464 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 as a sum of consecutive naturals, namely, 28749 + ... + 28780.

It is an arithmetic number, because the mean of its divisors is an integer number (178343).

2⁹²⁰⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

920464 is a deficient number, since it is larger than the sum of its proper divisors (862966).

920464 is a wasteful number, since it uses less digits than its factorization.

920464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57537 (or 57531 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 920464 is about 959.4081508930. The cubic root of 920464 is about 97.2752306425.

The spelling of 920464 in words is "nine hundred twenty thousand, four hundred sixty-four".