631961414 has 16 divisors (see below), whose sum is σ = 1083801600. Its totient is φ = 270730824.

The previous prime is 631961387. The next prime is 631961437. The reversal of 631961414 is 414169136.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33467 + ... + 48825.

It is an arithmetic number, because the mean of its divisors is an integer number (67737600).

Almost surely, 2^631961414 is an apocalyptic number.

631961414 is a deficient number, since it is larger than the sum of its proper divisors (451840186).

631961414 is a wasteful number, since it uses less digits than its factorization.

631961414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18307.

The product of its digits is 15552, while the sum is 35.

The square root of 631961414 is about 25138.8427339048. The cubic root of 631961414 is about 858.1506202430.

The spelling of 631961414 in words is "six hundred thirty-one million, nine hundred sixty-one thousand, four hundred fourteen".