920398 has 16 divisors (see below), whose sum is σ = 1483920. Its totient is φ = 426816.

The previous prime is 920393. The next prime is 920399. The reversal of 920398 is 893029.

It is a happy number.

920398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920393) by changing a digit.

920398 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, 1786 + ... + 2242.

It is an arithmetic number, because the mean of its divisors is an integer number (92745).

2⁹²⁰³⁹⁸ is an apocalyptic number.

920398 is a deficient number, since it is larger than the sum of its proper divisors (563522).

920398 is a wasteful number, since it uses less digits than its factorization.

920398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 920398 is about 959.3737540709. The cubic root of 920398 is about 97.2729056127.

The spelling of 920398 in words is "nine hundred twenty thousand, three hundred ninety-eight".