424623408 has 40 divisors (see below), whose sum is σ = 1196667456. Its totient is φ = 128673600.

The previous prime is 424623403. The next prime is 424623431. The reversal of 424623408 is 804326424.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (424623403) 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, 401578 + ... + 402633.

Almost surely, 2^424623408 is an apocalyptic number.

424623408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

424623408 is an abundant number, since it is smaller than the sum of its proper divisors (772044048).

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

424623408 is a wasteful number, since it uses less digits than its factorization.

424623408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804233 (or 804227 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 424623408 is about 20606.3924062413. The cubic root of 424623408 is about 751.6251621427.

The spelling of 424623408 in words is "four hundred twenty-four million, six hundred twenty-three thousand, four hundred eight".