396859946 has 8 divisors (see below), whose sum is σ = 680331360. Its totient is φ = 170082828.

The previous prime is 396859877. The next prime is 396859979. The reversal of 396859946 is 649958693.

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

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, 14173556 + ... + 14173583.

It is an arithmetic number, because the mean of its divisors is an integer number (85041420).

Almost surely, 2^396859946 is an apocalyptic number.

396859946 is a deficient number, since it is larger than the sum of its proper divisors (283471414).

396859946 is a wasteful number, since it uses less digits than its factorization.

396859946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28347148.

The product of its digits is 12597120, while the sum is 59.

The square root of 396859946 is about 19921.3439807660. The cubic root of 396859946 is about 734.8732229240.

The spelling of 396859946 in words is "three hundred ninety-six million, eight hundred fifty-nine thousand, nine hundred forty-six".