396861699 has 8 divisors (see below), whose sum is σ = 569852752. Its totient is φ = 244222560.

The previous prime is 396861691. The next prime is 396861733. The reversal of 396861699 is 996168693.

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

It is not a de Polignac number, because 396861699 - 2³ = 396861691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396861691) 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, 5087932 + ... + 5088009.

It is an arithmetic number, because the mean of its divisors is an integer number (71231594).

Almost surely, 2^396861699 is an apocalyptic number.

396861699 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

396861699 is a deficient number, since it is larger than the sum of its proper divisors (172991053).

396861699 is a wasteful number, since it uses less digits than its factorization.

396861699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10175957.

The product of its digits is 3779136, while the sum is 57.

The square root of 396861699 is about 19921.3879787529. The cubic root of 396861699 is about 734.8743049437.

The spelling of 396861699 in words is "three hundred ninety-six million, eight hundred sixty-one thousand, six hundred ninety-nine".