4194490 has 8 divisors (see below), whose sum is σ = 7550100. Its totient is φ = 1677792.

The previous prime is 4194451. The next prime is 4194493. The reversal of 4194490 is 944914.

It can be written as a sum of positive squares in 2 ways, for example, as 3606201 + 588289 = 1899^2 + 767^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4194493) 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, 209715 + ... + 209734.

Almost surely, 2^4194490 is an apocalyptic number.

4194490 is a deficient number, since it is larger than the sum of its proper divisors (3355610).

4194490 is a wasteful number, since it uses less digits than its factorization.

4194490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419456.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4194490 is about 2048.0454096528. The cubic root of 4194490 is about 161.2722782351.

The spelling of 4194490 in words is "four million, one hundred ninety-four thousand, four hundred ninety".