83461631 has 4 divisors (see below), whose sum is σ = 91049064. Its totient is φ = 75874200.

The previous prime is 83461597. The next prime is 83461639. The reversal of 83461631 is 13616438.

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 83461631 - 2¹⁰ = 83460607 is a prime.

It is a super-2 number, since 2×83461631² = 13931687698360322, 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 (83461639) 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, 3793700 + ... + 3793721.

It is an arithmetic number, because the mean of its divisors is an integer number (22762266).

Almost surely, 2^83461631 is an apocalyptic number.

83461631 is a deficient number, since it is larger than the sum of its proper divisors (7587433).

83461631 is a wasteful number, since it uses less digits than its factorization.

83461631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587432.

The product of its digits is 10368, while the sum is 32.

The square root of 83461631 is about 9135.7337417418. The cubic root of 83461631 is about 437.0142741019.

The spelling of 83461631 in words is "eighty-three million, four hundred sixty-one thousand, six hundred thirty-one".