42953393 has 8 divisors (see below), whose sum is σ = 49231488. Its totient is φ = 36710784.

The previous prime is 42953387. The next prime is 42953399. The reversal of 42953393 is 39335924.

It is an interprime number because it is at equal distance from previous prime (42953387) and next prime (42953399).

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

It is a cyclic number.

It is not a de Polignac number, because 42953393 - 2⁶ = 42953329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42953399) 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, 6221 + ... + 11162.

It is an arithmetic number, because the mean of its divisors is an integer number (6153936).

Almost surely, 2^42953393 is an apocalyptic number.

It is an amenable number.

42953393 is a deficient number, since it is larger than the sum of its proper divisors (6278095).

42953393 is a wasteful number, since it uses less digits than its factorization.

42953393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17743.

The product of its digits is 87480, while the sum is 38.

The square root of 42953393 is about 6553.8838103830. The cubic root of 42953393 is about 350.2131844091.

The spelling of 42953393 in words is "forty-two million, nine hundred fifty-three thousand, three hundred ninety-three".