42292393 has 8 divisors (see below), whose sum is σ = 49686336. Its totient is φ = 35490000.

The previous prime is 42292387. The next prime is 42292403. The reversal of 42292393 is 39329224.

It is a happy number.

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

It is not a de Polignac number, because 42292393 - 2¹³ = 42284201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42292333) 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 7 ways as a sum of consecutive naturals, for example, 147733 + ... + 148018.

It is an arithmetic number, because the mean of its divisors is an integer number (6210792).

Almost surely, 2^42292393 is an apocalyptic number.

It is an amenable number.

42292393 is a deficient number, since it is larger than the sum of its proper divisors (7393943).

42292393 is a wasteful number, since it uses less digits than its factorization.

42292393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295775.

The product of its digits is 23328, while the sum is 34.

The square root of 42292393 is about 6503.2601824008. The cubic root of 42292393 is about 348.4074393942.

The spelling of 42292393 in words is "forty-two million, two hundred ninety-two thousand, three hundred ninety-three".