396861546 has 8 divisors (see below), whose sum is σ = 793723104. Its totient is φ = 132287180.

The previous prime is 396861533. The next prime is 396861557. The reversal of 396861546 is 645168693.

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

396861546 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 396861495 and 396861504.

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, 33071790 + ... + 33071801.

It is an arithmetic number, because the mean of its divisors is an integer number (99215388).

Almost surely, 2^396861546 is an apocalyptic number.

396861546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396861546 is a wasteful number, since it uses less digits than its factorization.

396861546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66143596.

The product of its digits is 933120, while the sum is 48.

The square root of 396861546 is about 19921.3841386586. The cubic root of 396861546 is about 734.8742105063.

The spelling of 396861546 in words is "three hundred ninety-six million, eight hundred sixty-one thousand, five hundred forty-six".