396169413 has 4 divisors (see below), whose sum is σ = 528225888. Its totient is φ = 264112940.

The previous prime is 396169393. The next prime is 396169427. The reversal of 396169413 is 314961693.

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 not a de Polignac number, because 396169413 - 2²⁰ = 395120837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396169013) 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, 66028233 + ... + 66028238.

It is an arithmetic number, because the mean of its divisors is an integer number (132056472).

Almost surely, 2^396169413 is an apocalyptic number.

It is an amenable number.

396169413 is a deficient number, since it is larger than the sum of its proper divisors (132056475).

396169413 is a wasteful number, since it uses less digits than its factorization.

396169413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132056474.

The product of its digits is 104976, while the sum is 42.

The square root of 396169413 is about 19904.0049487534. The cubic root of 396169413 is about 734.4467510471.

The spelling of 396169413 in words is "three hundred ninety-six million, one hundred sixty-nine thousand, four hundred thirteen".