394475 has 12 divisors (see below), whose sum is σ = 505920. Its totient is φ = 304800.

The previous prime is 394453. The next prime is 394481. The reversal of 394475 is 574493.

394475 = T₁₆₅ + T₁₆₆ + ... + T₁₈₉.

It is not a de Polignac number, because 394475 - 2⁶ = 394411 is a prime.

It is a super-2 number, since 2×394475² = 311221051250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521 + ... + 1029.

It is an arithmetic number, because the mean of its divisors is an integer number (42160).

2³⁹⁴⁴⁷⁵ is an apocalyptic number.

394475 is a deficient number, since it is larger than the sum of its proper divisors (111445).

394475 is a wasteful number, since it uses less digits than its factorization.

394475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 545 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 394475 is about 628.0724480504. The cubic root of 394475 is about 73.3398180675.

The spelling of 394475 in words is "three hundred ninety-four thousand, four hundred seventy-five".