408872481 has 8 divisors (see below), whose sum is σ = 545258880. Its totient is φ = 272533872.

The previous prime is 408872473. The next prime is 408872521. The reversal of 408872481 is 184278804.

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

It is not a de Polignac number, because 408872481 - 2³ = 408872473 is a prime.

It is a super-2 number, since 2×408872481² = 334353411438190722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (408872461) 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, 21000 + ... + 35478.

It is an arithmetic number, because the mean of its divisors is an integer number (68157360).

Almost surely, 2^408872481 is an apocalyptic number.

It is an amenable number.

408872481 is a deficient number, since it is larger than the sum of its proper divisors (136386399).

408872481 is a wasteful number, since it uses less digits than its factorization.

408872481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23895.

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 408872481 is about 20220.5954660094. The cubic root of 408872481 is about 742.2142595598.

The spelling of 408872481 in words is "four hundred eight million, eight hundred seventy-two thousand, four hundred eighty-one".