453397420 has 24 divisors (see below), whose sum is σ = 1088154144. Its totient is φ = 155450496.

The previous prime is 453397387. The next prime is 453397447. The reversal of 453397420 is 24793354.

It is a self number, because there is not a number n which added to its sum of digits gives 453397420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619137 + ... + 1619416.

It is an arithmetic number, because the mean of its divisors is an integer number (45339756).

Almost surely, 2^453397420 is an apocalyptic number.

It is an amenable number.

453397420 is an abundant number, since it is smaller than the sum of its proper divisors (634756724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

453397420 is a wasteful number, since it uses less digits than its factorization.

453397420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238569 (or 3238567 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 453397420 is about 21293.1308172378. The cubic root of 453397420 is about 768.2330993645.

The spelling of 453397420 in words is "four hundred fifty-three million, three hundred ninety-seven thousand, four hundred twenty".