631422386 has 16 divisors (see below), whose sum is σ = 1108840320. Its totient is φ = 264009120.

The previous prime is 631422349. The next prime is 631422413. The reversal of 631422386 is 683224136.

It is a super-3 number, since 3×631422386³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549446 + ... + 550593.

It is an arithmetic number, because the mean of its divisors is an integer number (69302520).

Almost surely, 2^631422386 is an apocalyptic number.

631422386 is a deficient number, since it is larger than the sum of its proper divisors (477417934).

631422386 is a wasteful number, since it uses less digits than its factorization.

631422386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100089.

The product of its digits is 41472, while the sum is 35.

The square root of 631422386 is about 25128.1194282421. The cubic root of 631422386 is about 857.9065658965.

The spelling of 631422386 in words is "six hundred thirty-one million, four hundred twenty-two thousand, three hundred eighty-six".