427293394 has 32 divisors (see below), whose sum is σ = 739886400. Its totient is φ = 183032640.

The previous prime is 427293359. The next prime is 427293437. The reversal of 427293394 is 493392724.

It is a self number, because there is not a number n which added to its sum of digits gives 427293394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79752 + ... + 84940.

It is an arithmetic number, because the mean of its divisors is an integer number (23121450).

Almost surely, 2^427293394 is an apocalyptic number.

427293394 is a deficient number, since it is larger than the sum of its proper divisors (312593006).

427293394 is a wasteful number, since it uses less digits than its factorization.

427293394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418.

The product of its digits is 326592, while the sum is 43.

The square root of 427293394 is about 20671.0762661261. The cubic root of 427293394 is about 753.1972508957.

The spelling of 427293394 in words is "four hundred twenty-seven million, two hundred ninety-three thousand, three hundred ninety-four".