3540493 has 8 divisors (see below), whose sum is σ = 3967200. Its totient is φ = 3131280.

The previous prime is 3540487. The next prime is 3540499. The reversal of 3540493 is 3940453.

It is an interprime number because it is at equal distance from previous prime (3540487) and next prime (3540499).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3540493 - 2⁵ = 3540461 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 (3540499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3943 + ... + 4756.

It is an arithmetic number, because the mean of its divisors is an integer number (495900).

Almost surely, 2^3540493 is an apocalyptic number.

It is an amenable number.

3540493 is a deficient number, since it is larger than the sum of its proper divisors (426707).

3540493 is a wasteful number, since it uses less digits than its factorization.

3540493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3540493 is about 1881.6197809334. The cubic root of 3540493 is about 152.4127315804.

The spelling of 3540493 in words is "three million, five hundred forty thousand, four hundred ninety-three".