42976589 has 4 divisors (see below), whose sum is σ = 42989856. Its totient is φ = 42963324.

The previous prime is 42976559. The next prime is 42976597. The reversal of 42976589 is 98567924.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42976589 - 2⁸ = 42976333 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 (42976519) 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, 1802 + ... + 9444.

It is an arithmetic number, because the mean of its divisors is an integer number (10747464).

Almost surely, 2^42976589 is an apocalyptic number.

It is an amenable number.

42976589 is a deficient number, since it is larger than the sum of its proper divisors (13267).

42976589 is an equidigital number, since it uses as much as digits as its factorization.

42976589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13266.

The product of its digits is 1088640, while the sum is 50.

The square root of 42976589 is about 6555.6532092538. The cubic root of 42976589 is about 350.2762146114.

The spelling of 42976589 in words is "forty-two million, nine hundred seventy-six thousand, five hundred eighty-nine".