396477975 has 12 divisors (see below), whose sum is σ = 655510376. Its totient is φ = 211454880.

The previous prime is 396477953. The next prime is 396478009. The reversal of 396477975 is 579774693.

It is not a de Polignac number, because 396477975 - 2¹¹ = 396475927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2643112 + ... + 2643261.

Almost surely, 2^396477975 is an apocalyptic number.

396477975 is a deficient number, since it is larger than the sum of its proper divisors (259032401).

396477975 is a wasteful number, since it uses less digits than its factorization.

396477975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286386 (or 5286381 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 57.

The square root of 396477975 is about 19911.7546941499. The cubic root of 396477975 is about 734.6373795513.

The spelling of 396477975 in words is "three hundred ninety-six million, four hundred seventy-seven thousand, nine hundred seventy-five".