398056453 has 8 divisors (see below), whose sum is σ = 403508736. Its totient is φ = 392634000.

The previous prime is 398056433. The next prime is 398056511. The reversal of 398056453 is 354650893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 398056453 - 2⁹ = 398055941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398056433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20100 + ... + 34642.

It is an arithmetic number, because the mean of its divisors is an integer number (50438592).

Almost surely, 2^398056453 is an apocalyptic number.

It is an amenable number.

398056453 is a deficient number, since it is larger than the sum of its proper divisors (5452283).

398056453 is a wasteful number, since it uses less digits than its factorization.

398056453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14915.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 398056453 is about 19951.3521596908. The cubic root of 398056453 is about 735.6110136593.

The spelling of 398056453 in words is "three hundred ninety-eight million, fifty-six thousand, four hundred fifty-three".