401584099 has 4 divisors (see below), whose sum is σ = 458953264. Its totient is φ = 344214936.

The previous prime is 401584091. The next prime is 401584103. The reversal of 401584099 is 990485104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401584099 - 2³ = 401584091 is a prime.

It is a super-2 number, since 2×401584099² = 322539577139283602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401584091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28684572 + ... + 28684585.

It is an arithmetic number, because the mean of its divisors is an integer number (114738316).

Almost surely, 2^401584099 is an apocalyptic number.

401584099 is a deficient number, since it is larger than the sum of its proper divisors (57369165).

401584099 is an equidigital number, since it uses as much as digits as its factorization.

401584099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57369164.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 401584099 is about 20039.5633435462. The cubic root of 401584099 is about 737.7776636759. Note that the first 3 decimals are identical.

The spelling of 401584099 in words is "four hundred one million, five hundred eighty-four thousand, ninety-nine".