396744453 has 128 divisors (see below), whose sum is σ = 767692800. Its totient is φ = 197074944.

The previous prime is 396744449. The next prime is 396744493. The reversal of 396744453 is 354447693.

It is not a de Polignac number, because 396744453 - 2² = 396744449 is a prime.

Its product of digits (1088640) is a multiple of the sum of its prime divisors (210).

It is a junction number, because it is equal to n+sod(n) for n = 396744399 and 396744408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396744493) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4090101 + ... + 4090197.

It is an arithmetic number, because the mean of its divisors is an integer number (5997600).

Almost surely, 2^396744453 is an apocalyptic number.

It is an amenable number.

396744453 is a deficient number, since it is larger than the sum of its proper divisors (370948347).

396744453 is a wasteful number, since it uses less digits than its factorization.

396744453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 210 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 396744453 is about 19918.4450447318. The cubic root of 396744453 is about 734.8019291351.

The spelling of 396744453 in words is "three hundred ninety-six million, seven hundred forty-four thousand, four hundred fifty-three".