396742 has 8 divisors (see below), whose sum is σ = 599256. Its totient is φ = 196992.

The previous prime is 396733. The next prime is 396833. The reversal of 396742 is 247693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283 + ... + 934.

It is an arithmetic number, because the mean of its divisors is an integer number (74907).

2³⁹⁶⁷⁴² is an apocalyptic number.

396742 is a deficient number, since it is larger than the sum of its proper divisors (202514).

396742 is a wasteful number, since it uses less digits than its factorization.

396742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382.

The product of its digits is 9072, while the sum is 31.

The square root of 396742 is about 629.8745906925. The cubic root of 396742 is about 73.4800414749.

The spelling of 396742 in words is "three hundred ninety-six thousand, seven hundred forty-two".