396969699 has 8 divisors (see below), whose sum is σ = 604906240. Its totient is φ = 226839816.

The previous prime is 396969697. The next prime is 396969709. The reversal of 396969699 is 996969693.

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

It is not a de Polignac number, because 396969699 - 2¹ = 396969697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396969697) 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, 9451639 + ... + 9451680.

It is an arithmetic number, because the mean of its divisors is an integer number (75613280).

Almost surely, 2^396969699 is an apocalyptic number.

396969699 is a deficient number, since it is larger than the sum of its proper divisors (207936541).

396969699 is a wasteful number, since it uses less digits than its factorization.

396969699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18903329.

The product of its digits is 38263752, while the sum is 66.

The square root of 396969699 is about 19924.0984488634. The cubic root of 396969699 is about 734.9409605963.

The spelling of 396969699 in words is "three hundred ninety-six million, nine hundred sixty-nine thousand, six hundred ninety-nine".