42926089 has 4 divisors (see below), whose sum is σ = 43368724. Its totient is φ = 42483456.

The previous prime is 42926069. The next prime is 42926113. The reversal of 42926089 is 98062924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15468489 + 27457600 = 3933^2 + 5240^2 .

It is a cyclic number.

It is not a de Polignac number, because 42926089 - 2⁹ = 42925577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42926069) 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, 221172 + ... + 221365.

It is an arithmetic number, because the mean of its divisors is an integer number (10842181).

Almost surely, 2^42926089 is an apocalyptic number.

It is an amenable number.

42926089 is a deficient number, since it is larger than the sum of its proper divisors (442635).

42926089 is an equidigital number, since it uses as much as digits as its factorization.

42926089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442634.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 42926089 is about 6551.8004395738. The cubic root of 42926089 is about 350.1389625067.

The spelling of 42926089 in words is "forty-two million, nine hundred twenty-six thousand, eighty-nine".