882642421 has 4 divisors (see below), whose sum is σ = 883397344. Its totient is φ = 881887500.

The previous prime is 882642413. The next prime is 882642427. The reversal of 882642421 is 124246288.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 882642421 - 2³ = 882642413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (882642427) 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, 375705 + ... + 378046.

It is an arithmetic number, because the mean of its divisors is an integer number (220849336).

Almost surely, 2^882642421 is an apocalyptic number.

It is an amenable number.

882642421 is a deficient number, since it is larger than the sum of its proper divisors (754923).

882642421 is a wasteful number, since it uses less digits than its factorization.

882642421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754922.

The product of its digits is 49152, while the sum is 37.

The square root of 882642421 is about 29709.2985612249. The cubic root of 882642421 is about 959.2421757299.

The spelling of 882642421 in words is "eight hundred eighty-two million, six hundred forty-two thousand, four hundred twenty-one".