3499400 has 24 divisors (see below), whose sum is σ = 8136570. Its totient is φ = 1399680.

The previous prime is 3499369. The next prime is 3499409. The reversal of 3499400 is 49943.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1350244 + 2149156 = 1162^2 + 1466^2 .

It is not an unprimeable number, because it can be changed into a prime (3499409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8549 + ... + 8948.

Almost surely, 2^3499400 is an apocalyptic number.

It is an amenable number.

3499400 is an abundant number, since it is smaller than the sum of its proper divisors (4637170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3499400 is a wasteful number, since it uses less digits than its factorization.

3499400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513 (or 17504 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3499400 is about 1870.6683297688. The cubic root of 3499400 is about 151.8207721295.

The spelling of 3499400 in words is "three million, four hundred ninety-nine thousand, four hundred".