396675249 has 4 divisors (see below), whose sum is σ = 528900336. Its totient is φ = 264450164.

The previous prime is 396675241. The next prime is 396675269. The reversal of 396675249 is 942576693.

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, and also an emirpimes, since its reverse is a distinct semiprime: 942576693 = 3 ⋅314192231.

It is a cyclic number.

It is not a de Polignac number, because 396675249 - 2³ = 396675241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396675241) 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, 66112539 + ... + 66112544.

It is an arithmetic number, because the mean of its divisors is an integer number (132225084).

Almost surely, 2^396675249 is an apocalyptic number.

It is an amenable number.

396675249 is a deficient number, since it is larger than the sum of its proper divisors (132225087).

396675249 is a wasteful number, since it uses less digits than its factorization.

396675249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132225086.

The product of its digits is 2449440, while the sum is 51.

The square root of 396675249 is about 19916.7077851737. The cubic root of 396675249 is about 734.7592029006.

The spelling of 396675249 in words is "three hundred ninety-six million, six hundred seventy-five thousand, two hundred forty-nine".