2404394 has 8 divisors (see below), whose sum is σ = 3625860. Its totient is φ = 1195776.

The previous prime is 2404387. The next prime is 2404399. The reversal of 2404394 is 4934042.

It can be written as a sum of positive squares in 2 ways, for example, as 2362369 + 42025 = 1537^2 + 205^2 .

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

It is a super-2 number, since 2×2404394² = 11562221014472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2404399) 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, 2729 + ... + 3500.

2^2404394 is an apocalyptic number.

2404394 is a deficient number, since it is larger than the sum of its proper divisors (1221466).

2404394 is a wasteful number, since it uses less digits than its factorization.

2404394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2404394 is about 1550.6108473760. The cubic root of 2404394 is about 133.9682482131.

The spelling of 2404394 in words is "two million, four hundred four thousand, three hundred ninety-four".