920378 has 4 divisors (see below), whose sum is σ = 1380570. Its totient is φ = 460188.

The previous prime is 920377. The next prime is 920393. The reversal of 920378 is 873029.

920378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 677329 + 243049 = 823^2 + 493^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 920378.

It is not an unprimeable number, because it can be changed into a prime (920371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230093 + ... + 230096.

2⁹²⁰³⁷⁸ is an apocalyptic number.

920378 is a deficient number, since it is larger than the sum of its proper divisors (460192).

920378 is a wasteful number, since it uses less digits than its factorization.

920378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460191.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 920378 is about 959.3633305479. The cubic root of 920378 is about 97.2722010363.

The spelling of 920378 in words is "nine hundred twenty thousand, three hundred seventy-eight".