42296381 has 8 divisors (see below), whose sum is σ = 43469184. Its totient is φ = 41135040.

The previous prime is 42296341. The next prime is 42296389. The reversal of 42296381 is 18369224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42296381 is a prime.

It is a super-2 number, since 2×42296381² = 3577967691394322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42296389) 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, 4901 + ... + 10421.

It is an arithmetic number, because the mean of its divisors is an integer number (5433648).

Almost surely, 2^42296381 is an apocalyptic number.

It is an amenable number.

42296381 is a deficient number, since it is larger than the sum of its proper divisors (1172803).

42296381 is a wasteful number, since it uses less digits than its factorization.

42296381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731.

The product of its digits is 20736, while the sum is 35.

The square root of 42296381 is about 6503.5667906157. The cubic root of 42296381 is about 348.4183901831.

The spelling of 42296381 in words is "forty-two million, two hundred ninety-six thousand, three hundred eighty-one".