396139593 has 8 divisors (see below), whose sum is σ = 559255968. Its totient is φ = 248558144.

The previous prime is 396139589. The next prime is 396139609. The reversal of 396139593 is 395931693.

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

It is a cyclic number.

It is not a de Polignac number, because 396139593 - 2² = 396139589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396139193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3883671 + ... + 3883772.

It is an arithmetic number, because the mean of its divisors is an integer number (69906996).

Almost surely, 2^396139593 is an apocalyptic number.

It is an amenable number.

396139593 is a deficient number, since it is larger than the sum of its proper divisors (163116375).

396139593 is a wasteful number, since it uses less digits than its factorization.

396139593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767463.

The product of its digits is 590490, while the sum is 48.

The square root of 396139593 is about 19903.2558391837. The cubic root of 396139593 is about 734.4283231129.

The spelling of 396139593 in words is "three hundred ninety-six million, one hundred thirty-nine thousand, five hundred ninety-three".