3490394 has 4 divisors (see below), whose sum is σ = 5235594. Its totient is φ = 1745196.

The previous prime is 3490393. The next prime is 3490427. The reversal of 3490394 is 4930943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4930943 = 79 ⋅62417.

It can be written as a sum of positive squares in only one way, i.e., 3193369 + 297025 = 1787^2 + 545^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3490394.

It is not an unprimeable number, because it can be changed into a prime (3490393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872597 + ... + 872600.

Almost surely, 2^3490394 is an apocalyptic number.

3490394 is a deficient number, since it is larger than the sum of its proper divisors (1745200).

3490394 is a wasteful number, since it uses less digits than its factorization.

3490394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745199.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3490394 is about 1868.2596179332. The cubic root of 3490394 is about 151.6904190684.

The spelling of 3490394 in words is "three million, four hundred ninety thousand, three hundred ninety-four".