396901049 has 4 divisors (see below), whose sum is σ = 399930960. Its totient is φ = 393871140.

The previous prime is 396901027. The next prime is 396901067. The reversal of 396901049 is 940109693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396901049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396900997 and 396901015.

It is not an unprimeable number, because it can be changed into a prime (396931049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514759 + ... + 1515020.

It is an arithmetic number, because the mean of its divisors is an integer number (99982740).

Almost surely, 2^396901049 is an apocalyptic number.

It is an amenable number.

396901049 is a deficient number, since it is larger than the sum of its proper divisors (3029911).

396901049 is a wasteful number, since it uses less digits than its factorization.

396901049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029910.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 396901049 is about 19922.3755862598. The cubic root of 396901049 is about 734.8985924543.

The spelling of 396901049 in words is "three hundred ninety-six million, nine hundred one thousand, forty-nine".