83424631 has 4 divisors (see below), whose sum is σ = 83977264. Its totient is φ = 82872000.

The previous prime is 83424629. The next prime is 83424641. The reversal of 83424631 is 13642438.

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 83424631 - 2¹ = 83424629 is a prime.

It is a super-2 number, since 2×83424631² = 13919338114972322, 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 = 83424593 and 83424602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83424641) 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, 276090 + ... + 276391.

It is an arithmetic number, because the mean of its divisors is an integer number (20994316).

Almost surely, 2^83424631 is an apocalyptic number.

83424631 is a deficient number, since it is larger than the sum of its proper divisors (552633).

83424631 is a wasteful number, since it uses less digits than its factorization.

83424631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552632.

The product of its digits is 13824, while the sum is 31.

The square root of 83424631 is about 9133.7085020270. The cubic root of 83424631 is about 436.9496858675.

The spelling of 83424631 in words is "eighty-three million, four hundred twenty-four thousand, six hundred thirty-one".