42389092 has 24 divisors (see below), whose sum is σ = 81962496. Its totient is φ = 19079808.

The previous prime is 42389089. The next prime is 42389093. The reversal of 42389092 is 29098324.

It is not an unprimeable number, because it can be changed into a prime (42389093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11988 + ... + 15115.

It is an arithmetic number, because the mean of its divisors is an integer number (3415104).

Almost surely, 2^42389092 is an apocalyptic number.

It is an amenable number.

42389092 is a deficient number, since it is larger than the sum of its proper divisors (39573404).

42389092 is a wasteful number, since it uses less digits than its factorization.

42389092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27147 (or 27145 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 42389092 is about 6510.6905931706. The cubic root of 42389092 is about 348.6727747887.

The spelling of 42389092 in words is "forty-two million, three hundred eighty-nine thousand, ninety-two".