3494745 has 20 divisors (see below), whose sum is σ = 6265380. Its totient is φ = 1863648.

The previous prime is 3494719. The next prime is 3494749. The reversal of 3494745 is 5474943.

It can be written as a sum of positive squares in 2 ways, for example, as 1996569 + 1498176 = 1413^2 + 1224^2 .

It is not a de Polignac number, because 3494745 - 2⁶ = 3494681 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3494749) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3910 + ... + 4719.

It is an arithmetic number, because the mean of its divisors is an integer number (313269).

Almost surely, 2^3494745 is an apocalyptic number.

It is an amenable number.

3494745 is a deficient number, since it is larger than the sum of its proper divisors (2770635).

3494745 is an equidigital number, since it uses as much as digits as its factorization.

3494745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8646 (or 8637 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3494745 is about 1869.4237079913. The cubic root of 3494745 is about 151.7534235083.

The spelling of 3494745 in words is "three million, four hundred ninety-four thousand, seven hundred forty-five".