42397419 has 8 divisors (see below), whose sum is σ = 56588752. Its totient is φ = 28235520.

The previous prime is 42397409. The next prime is 42397427. The reversal of 42397419 is 91479324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42397419 - 2⁵ = 42397387 is a prime.

It is a super-3 number, since 3×42397419³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42397409) 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, 3742 + ... + 9939.

It is an arithmetic number, because the mean of its divisors is an integer number (7073594).

Almost surely, 2^42397419 is an apocalyptic number.

42397419 is a deficient number, since it is larger than the sum of its proper divisors (14191333).

42397419 is a wasteful number, since it uses less digits than its factorization.

42397419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14717.

The product of its digits is 54432, while the sum is 39.

The square root of 42397419 is about 6511.3300484617. The cubic root of 42397419 is about 348.6956046250.

The spelling of 42397419 in words is "forty-two million, three hundred ninety-seven thousand, four hundred nineteen".