42292394 has 4 divisors (see below), whose sum is σ = 63438594. Its totient is φ = 21146196.

The previous prime is 42292387. The next prime is 42292403. The reversal of 42292394 is 49329224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42055225 + 237169 = 6485^2 + 487^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10573097 + ... + 10573100.

Almost surely, 2^42292394 is an apocalyptic number.

42292394 is a deficient number, since it is larger than the sum of its proper divisors (21146200).

42292394 is a wasteful number, since it uses less digits than its factorization.

42292394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21146199.

The product of its digits is 31104, while the sum is 35.

The square root of 42292394 is about 6503.2602592853. The cubic root of 42292394 is about 348.4074421403.

The spelling of 42292394 in words is "forty-two million, two hundred ninety-two thousand, three hundred ninety-four".