454423947 has 24 divisors (see below), whose sum is σ = 633016320. Its totient is φ = 289668000.

The previous prime is 454423933. The next prime is 454423967. The reversal of 454423947 is 749324454.

It is not a de Polignac number, because 454423947 - 2⁸ = 454423691 is a prime.

It is a super-2 number, since 2×454423947² = 413002247214117618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 454423899 and 454423908.

It is not an unprimeable number, because it can be changed into a prime (454423967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 948454 + ... + 948932.

It is an arithmetic number, because the mean of its divisors is an integer number (26375680).

Almost surely, 2^454423947 is an apocalyptic number.

454423947 is a deficient number, since it is larger than the sum of its proper divisors (178592373).

454423947 is a wasteful number, since it uses less digits than its factorization.

454423947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 614 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 454423947 is about 21317.2218405682. The cubic root of 454423947 is about 768.8124421750.

The spelling of 454423947 in words is "four hundred fifty-four million, four hundred twenty-three thousand, nine hundred forty-seven".