42883631 has 8 divisors (see below), whose sum is σ = 49681824. Its totient is φ = 36253440.

The previous prime is 42883597. The next prime is 42883637. The reversal of 42883631 is 13638824.

42883631 = 1419² + 1420² + ... + 1439².

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42883631 - 2¹⁴ = 42867247 is a prime.

It is a super-2 number, since 2×42883631² = 3678011615488322, 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 = 42883591 and 42883600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42883637) 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, 41450 + ... + 42471.

It is an arithmetic number, because the mean of its divisors is an integer number (6210228).

Almost surely, 2^42883631 is an apocalyptic number.

42883631 is a deficient number, since it is larger than the sum of its proper divisors (6798193).

42883631 is an equidigital number, since it uses as much as digits as its factorization.

42883631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84001.

The product of its digits is 27648, while the sum is 35.

The square root of 42883631 is about 6548.5594599118. The cubic root of 42883631 is about 350.0234841385.

The spelling of 42883631 in words is "forty-two million, eight hundred eighty-three thousand, six hundred thirty-one".