2406394 has 8 divisors (see below), whose sum is σ = 3617460. Its totient is φ = 1200576.

The previous prime is 2406379. The next prime is 2406457. The reversal of 2406394 is 4936042.

It can be written as a sum of positive squares in 2 ways, for example, as 2030625 + 375769 = 1425^2 + 613^2 .

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

It is an Ulam number.

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, 172 + ... + 2200.

2^2406394 is an apocalyptic number.

2406394 is a deficient number, since it is larger than the sum of its proper divisors (1211066).

2406394 is a wasteful number, since it uses less digits than its factorization.

2406394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2406394 is about 1551.2556204572. The cubic root of 2406394 is about 134.0053833138.

The spelling of 2406394 in words is "two million, four hundred six thousand, three hundred ninety-four".