42393467 has 4 divisors (see below), whose sum is σ = 43427496. Its totient is φ = 41359440.

The previous prime is 42393443. The next prime is 42393473. The reversal of 42393467 is 76439324.

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

It is a cyclic number.

It is not a de Polignac number, because 42393467 - 2²² = 38199163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42393467.

It is not an unprimeable number, because it can be changed into a prime (42393497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516953 + ... + 517034.

It is an arithmetic number, because the mean of its divisors is an integer number (10856874).

Almost surely, 2^42393467 is an apocalyptic number.

42393467 is a deficient number, since it is larger than the sum of its proper divisors (1034029).

42393467 is a wasteful number, since it uses less digits than its factorization.

42393467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034028.

The product of its digits is 108864, while the sum is 38.

The square root of 42393467 is about 6511.0265703651. The cubic root of 42393467 is about 348.6847699415.

The spelling of 42393467 in words is "forty-two million, three hundred ninety-three thousand, four hundred sixty-seven".