3540434 has 4 divisors (see below), whose sum is σ = 5310654. Its totient is φ = 1770216.

The previous prime is 3540421. The next prime is 3540443. The reversal of 3540434 is 4340453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2550409 + 990025 = 1597^2 + 995^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885107 + ... + 885110.

Almost surely, 2^3540434 is an apocalyptic number.

3540434 is a deficient number, since it is larger than the sum of its proper divisors (1770220).

3540434 is a wasteful number, since it uses less digits than its factorization.

3540434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770219.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 3540434 is about 1881.6041028867. The cubic root of 3540434 is about 152.4118849562.

Adding to 3540434 its reverse (4340453), we get a palindrome (7880887).

The spelling of 3540434 in words is "three million, five hundred forty thousand, four hundred thirty-four".