974390 has 16 divisors (see below), whose sum is σ = 1769040. Its totient is φ = 386400.

The previous prime is 974387. The next prime is 974401. The reversal of 974390 is 93479.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (110565).

2⁹⁷⁴³⁹⁰ is an apocalyptic number.

974390 is a deficient number, since it is larger than the sum of its proper divisors (794650).

974390 is a wasteful number, since it uses less digits than its factorization.

974390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 974390 is about 987.1119490716. Note that the first 3 decimals coincide. The cubic root of 974390 is about 99.1389403769.

The spelling of 974390 in words is "nine hundred seventy-four thousand, three hundred ninety".