3540290 has 32 divisors (see below), whose sum is σ = 6952176. Its totient is φ = 1290240.

The previous prime is 3540283. The next prime is 3540311. The reversal of 3540290 is 920453.

It can be written as a sum of positive squares in 8 ways, for example, as 361201 + 3179089 = 601^2 + 1783^2 .

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14570 + ... + 14810.

Almost surely, 2^3540290 is an apocalyptic number.

3540290 is a deficient number, since it is larger than the sum of its proper divisors (3411886).

3540290 is a wasteful number, since it uses less digits than its factorization.

3540290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3540290 is about 1881.5658372749. The cubic root of 3540290 is about 152.4098185796.

The spelling of 3540290 in words is "three million, five hundred forty thousand, two hundred ninety".