453686397 has 4 divisors (see below), whose sum is σ = 604915200. Its totient is φ = 302457596.

The previous prime is 453686381. The next prime is 453686407. The reversal of 453686397 is 793686354.

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 453686397 - 2⁴ = 453686381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453686357) 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, 75614397 + ... + 75614402.

It is an arithmetic number, because the mean of its divisors is an integer number (151228800).

Almost surely, 2^453686397 is an apocalyptic number.

It is an amenable number.

453686397 is a deficient number, since it is larger than the sum of its proper divisors (151228803).

453686397 is a wasteful number, since it uses less digits than its factorization.

453686397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151228802.

The product of its digits is 3265920, while the sum is 51.

The square root of 453686397 is about 21299.9154223673. The cubic root of 453686397 is about 768.3962781699.

The spelling of 453686397 in words is "four hundred fifty-three million, six hundred eighty-six thousand, three hundred ninety-seven".