396995901 has 8 divisors (see below), whose sum is σ = 530998944. Its totient is φ = 263828400.

The previous prime is 396995897. The next prime is 396995923. The reversal of 396995901 is 109599693.

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

It is not a de Polignac number, because 396995901 - 2² = 396995897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396995941) 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, 207775 + ... + 209676.

It is an arithmetic number, because the mean of its divisors is an integer number (66374868).

Almost surely, 2^396995901 is an apocalyptic number.

It is an amenable number.

396995901 is a deficient number, since it is larger than the sum of its proper divisors (134003043).

396995901 is a wasteful number, since it uses less digits than its factorization.

396995901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417771.

The product of its (nonzero) digits is 590490, while the sum is 51.

The square root of 396995901 is about 19924.7559834493. The cubic root of 396995901 is about 734.9571301758.

The spelling of 396995901 in words is "three hundred ninety-six million, nine hundred ninety-five thousand, nine hundred one".