42890319 has 12 divisors (see below), whose sum is σ = 62826192. Its totient is φ = 28190400.

The previous prime is 42890311. The next prime is 42890339. The reversal of 42890319 is 91309824.

It is not a de Polignac number, because 42890319 - 2³ = 42890311 is a prime.

It is a super-2 number, since 2×42890319² = 3679158927843522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42890311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32922 + ... + 34199.

It is an arithmetic number, because the mean of its divisors is an integer number (5235516).

Almost surely, 2^42890319 is an apocalyptic number.

42890319 is a deficient number, since it is larger than the sum of its proper divisors (19935873).

42890319 is a wasteful number, since it uses less digits than its factorization.

42890319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67198 (or 67195 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 42890319 is about 6549.0700866612. The cubic root of 42890319 is about 350.0416793902.

The spelling of 42890319 in words is "forty-two million, eight hundred ninety thousand, three hundred nineteen".