3540994 has 4 divisors (see below), whose sum is σ = 5311494. Its totient is φ = 1770496.

The previous prime is 3540991. The next prime is 3541019. The reversal of 3540994 is 4990453.

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., 3470769 + 70225 = 1863^2 + 265^2 .

It is not an unprimeable number, because it can be changed into a prime (3540991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885247 + ... + 885250.

Almost surely, 2^3540994 is an apocalyptic number.

3540994 is a deficient number, since it is larger than the sum of its proper divisors (1770500).

3540994 is a wasteful number, since it uses less digits than its factorization.

3540994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770499.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3540994 is about 1881.7529062021. The cubic root of 3540994 is about 152.4199203322.

The spelling of 3540994 in words is "three million, five hundred forty thousand, nine hundred ninety-four".