441087631 has 4 divisors (see below), whose sum is σ = 441176112. Its totient is φ = 440999152.

The previous prime is 441087613. The next prime is 441087643. The reversal of 441087631 is 136780144.

It is a happy number.

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 441087631 - 2¹⁵ = 441054863 is a prime.

It is a super-2 number, since 2×441087631² = 389116596442384322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441087601) 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, 36286 + ... + 46891.

It is an arithmetic number, because the mean of its divisors is an integer number (110294028).

Almost surely, 2^441087631 is an apocalyptic number.

441087631 is a deficient number, since it is larger than the sum of its proper divisors (88481).

441087631 is an equidigital number, since it uses as much as digits as its factorization.

441087631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88480.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 441087631 is about 21002.0863487416. The cubic root of 441087631 is about 761.2166748156.

The spelling of 441087631 in words is "four hundred forty-one million, eighty-seven thousand, six hundred thirty-one".