42867689 has 16 divisors (see below), whose sum is σ = 45503040. Its totient is φ = 40340160.

The previous prime is 42867683. The next prime is 42867697. The reversal of 42867689 is 98676824.

It is a cyclic number.

It is not a de Polignac number, because 42867689 - 2¹⁶ = 42802153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42867683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154619 + ... + 154895.

It is an arithmetic number, because the mean of its divisors is an integer number (2843940).

Almost surely, 2^42867689 is an apocalyptic number.

It is an amenable number.

42867689 is a deficient number, since it is larger than the sum of its proper divisors (2635351).

42867689 is a wasteful number, since it uses less digits than its factorization.

42867689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its digits is 1161216, while the sum is 50.

The square root of 42867689 is about 6547.3421324993. The cubic root of 42867689 is about 349.9801049916.

The spelling of 42867689 in words is "forty-two million, eight hundred sixty-seven thousand, six hundred eighty-nine".