396675247 has 4 divisors (see below), whose sum is σ = 397212760. Its totient is φ = 396137736.

The previous prime is 396675241. The next prime is 396675269. The reversal of 396675247 is 742576693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396675247 - 2³ = 396675239 is a prime.

It is a super-2 number, since 2×396675247² = 314702503165022018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396675247.

It is a congruent number.

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, 267648 + ... + 269125.

It is an arithmetic number, because the mean of its divisors is an integer number (99303190).

Almost surely, 2^396675247 is an apocalyptic number.

396675247 is a deficient number, since it is larger than the sum of its proper divisors (537513).

396675247 is an equidigital number, since it uses as much as digits as its factorization.

396675247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537512.

The product of its digits is 1905120, while the sum is 49.

The square root of 396675247 is about 19916.7077349646. The cubic root of 396675247 is about 734.7592016657.

The spelling of 396675247 in words is "three hundred ninety-six million, six hundred seventy-five thousand, two hundred forty-seven".