42982969 has 4 divisors (see below), whose sum is σ = 42996096. Its totient is φ = 42969844.

The previous prime is 42982967. The next prime is 42983009. The reversal of 42982969 is 96928924.

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 42982969 - 2¹ = 42982967 is a prime.

It is a super-2 number, since 2×42982969² = 3695071248109922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42982967) 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, 2832 + ... + 9694.

It is an arithmetic number, because the mean of its divisors is an integer number (10749024).

Almost surely, 2^42982969 is an apocalyptic number.

It is an amenable number.

42982969 is a deficient number, since it is larger than the sum of its proper divisors (13127).

42982969 is an equidigital number, since it uses as much as digits as its factorization.

42982969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13126.

The product of its digits is 559872, while the sum is 49.

The square root of 42982969 is about 6556.1397941167. The cubic root of 42982969 is about 350.2935469290.

The spelling of 42982969 in words is "forty-two million, nine hundred eighty-two thousand, nine hundred sixty-nine".