4390574 has 4 divisors (see below), whose sum is σ = 6585864. Its totient is φ = 2195286.

The previous prime is 4390559. The next prime is 4390613. The reversal of 4390574 is 4750934.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4390574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097642 + ... + 1097645.

It is an arithmetic number, because the mean of its divisors is an integer number (1646466).

Almost surely, 2^4390574 is an apocalyptic number.

4390574 is a deficient number, since it is larger than the sum of its proper divisors (2195290).

4390574 is a wasteful number, since it uses less digits than its factorization.

4390574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195289.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 4390574 is about 2095.3696571250. The cubic root of 4390574 is about 163.7471564877.

The spelling of 4390574 in words is "four million, three hundred ninety thousand, five hundred seventy-four".