3493845 has 12 divisors (see below), whose sum is σ = 6056076. Its totient is φ = 1863360.

The previous prime is 3493829. The next prime is 3493859. The reversal of 3493845 is 5483943.

It can be written as a sum of positive squares in 2 ways, for example, as 651249 + 2842596 = 807^2 + 1686^2 .

It is not a de Polignac number, because 3493845 - 2⁴ = 3493829 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38776 + ... + 38865.

It is an arithmetic number, because the mean of its divisors is an integer number (504673).

Almost surely, 2^3493845 is an apocalyptic number.

It is an amenable number.

3493845 is a deficient number, since it is larger than the sum of its proper divisors (2562231).

3493845 is a wasteful number, since it uses less digits than its factorization.

3493845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77652 (or 77649 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3493845 is about 1869.1829765970. The cubic root of 3493845 is about 151.7403953945.

The spelling of 3493845 in words is "three million, four hundred ninety-three thousand, eight hundred forty-five".