8380631 has 8 divisors (see below), whose sum is σ = 9599904. Its totient is φ = 7166880.

The previous prime is 8380621. The next prime is 8380649. The reversal of 8380631 is 1360838.

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

It is not a de Polignac number, because 8380631 - 2¹⁴ = 8364247 is a prime.

It is a super-2 number, since 2×8380631² = 140469951916322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8380594 and 8380603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8380621) 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, 2681 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (1199988).

Almost surely, 2^8380631 is an apocalyptic number.

8380631 is a deficient number, since it is larger than the sum of its proper divisors (1219273).

8380631 is a wasteful number, since it uses less digits than its factorization.

8380631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 8380631 is about 2894.9319508410. The cubic root of 8380631 is about 203.1229084124.

The spelling of 8380631 in words is "eight million, three hundred eighty thousand, six hundred thirty-one".