3540997 has 4 divisors (see below), whose sum is σ = 3550720. Its totient is φ = 3531276.

The previous prime is 3540991. The next prime is 3541019. The reversal of 3540997 is 7990453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7990453 = 23 ⋅347411.

It is a cyclic number.

It is not a de Polignac number, because 3540997 - 2¹¹ = 3538949 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4293 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (887680).

Almost surely, 2^3540997 is an apocalyptic number.

It is an amenable number.

3540997 is a deficient number, since it is larger than the sum of its proper divisors (9723).

3540997 is an equidigital number, since it uses as much as digits as its factorization.

3540997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 3540997 is about 1881.7537033310. The cubic root of 3540997 is about 152.4199633766.

The spelling of 3540997 in words is "three million, five hundred forty thousand, nine hundred ninety-seven".