4642394 has 8 divisors (see below), whose sum is σ = 7373268. Its totient is φ = 2184640.

The previous prime is 4642387. The next prime is 4642397. The reversal of 4642394 is 4932464.

It can be written as a sum of positive squares in 2 ways, for example, as 4566769 + 75625 = 2137^2 + 275^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4642394.

It is not an unprimeable number, because it can be changed into a prime (4642397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68237 + ... + 68304.

Almost surely, 2^4642394 is an apocalyptic number.

4642394 is a deficient number, since it is larger than the sum of its proper divisors (2730874).

4642394 is a wasteful number, since it uses less digits than its factorization.

4642394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136560.

The product of its digits is 20736, while the sum is 32.

The square root of 4642394 is about 2154.6215444945. The cubic root of 4642394 is about 166.8196985556.

The spelling of 4642394 in words is "four million, six hundred forty-two thousand, three hundred ninety-four".