3504994 has 4 divisors (see below), whose sum is σ = 5257494. Its totient is φ = 1752496.

The previous prime is 3504979. The next prime is 3504997. The reversal of 3504994 is 4994053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4994053 = 109 ⋅45817.

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 34225 = 1863^2 + 185^2 .

It is not an unprimeable number, because it can be changed into a prime (3504997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 876247 + ... + 876250.

Almost surely, 2^3504994 is an apocalyptic number.

3504994 is a deficient number, since it is larger than the sum of its proper divisors (1752500).

3504994 is a wasteful number, since it uses less digits than its factorization.

3504994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752499.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3504994 is about 1872.1629202609. The cubic root of 3504994 is about 151.9016272529.

The spelling of 3504994 in words is "three million, five hundred four thousand, nine hundred ninety-four".