42369397 has 4 divisors (see below), whose sum is σ = 48422176. Its totient is φ = 36316620.

The previous prime is 42369367. The next prime is 42369401. The reversal of 42369397 is 79396324.

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.

It is a cyclic number.

It is not a de Polignac number, because 42369397 - 2²³ = 33980789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42369337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3026379 + ... + 3026392.

It is an arithmetic number, because the mean of its divisors is an integer number (12105544).

Almost surely, 2^42369397 is an apocalyptic number.

It is an amenable number.

42369397 is a deficient number, since it is larger than the sum of its proper divisors (6052779).

42369397 is an equidigital number, since it uses as much as digits as its factorization.

42369397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052778.

The product of its digits is 244944, while the sum is 43.

The square root of 42369397 is about 6509.1779050814. The cubic root of 42369397 is about 348.6187658146.

The spelling of 42369397 in words is "forty-two million, three hundred sixty-nine thousand, three hundred ninety-seven".