396149369 has 12 divisors (see below), whose sum is σ = 502720848. Its totient is φ = 308687400.

The previous prime is 396149363. The next prime is 396149381. The reversal of 396149369 is 963941693.

It is not a de Polignac number, because 396149369 - 2⁴ = 396149353 is a prime.

It is a super-2 number, since 2×396149369² = 313868645118196322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396149363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366947 + ... + 368024.

It is an arithmetic number, because the mean of its divisors is an integer number (41893404).

Almost surely, 2^396149369 is an apocalyptic number.

It is an amenable number.

396149369 is a deficient number, since it is larger than the sum of its proper divisors (106571479).

396149369 is a wasteful number, since it uses less digits than its factorization.

396149369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734996 (or 734989 counting only the distinct ones).

The product of its digits is 944784, while the sum is 50.

The square root of 396149369 is about 19903.5014256286. The cubic root of 396149369 is about 734.4343645120.

The spelling of 396149369 in words is "three hundred ninety-six million, one hundred forty-nine thousand, three hundred sixty-nine".