667233394 has 8 divisors (see below), whose sum is σ = 1005338880. Its totient is φ = 332120436.

The previous prime is 667233389. The next prime is 667233401. The reversal of 667233394 is 493332766.

667233394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 667233394.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747574 + ... + 748465.

It is an arithmetic number, because the mean of its divisors is an integer number (125667360).

Almost surely, 2^667233394 is an apocalyptic number.

667233394 is a deficient number, since it is larger than the sum of its proper divisors (338105486).

667233394 is a wasteful number, since it uses less digits than its factorization.

667233394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496264.

The product of its digits is 489888, while the sum is 43.

The square root of 667233394 is about 25830.8612709681. The cubic root of 667233394 is about 873.8279355889.

The spelling of 667233394 in words is "six hundred sixty-seven million, two hundred thirty-three thousand, three hundred ninety-four".