3690549 has 16 divisors (see below), whose sum is σ = 5572800. Its totient is φ = 2413008.

The previous prime is 3690539. The next prime is 3690551. The reversal of 3690549 is 9450963.

It is not a de Polignac number, because 3690549 - 2⁵ = 3690517 is a prime.

It is an alternating number because its digits alternate between odd and even.

3690549 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142 + ... + 2720.

It is an arithmetic number, because the mean of its divisors is an integer number (348300).

Almost surely, 2^3690549 is an apocalyptic number.

It is an amenable number.

3690549 is a deficient number, since it is larger than the sum of its proper divisors (1882251).

3690549 is a wasteful number, since it uses less digits than its factorization.

3690549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 3690549 is about 1921.0801649072. The cubic root of 3690549 is about 154.5362343141.

The spelling of 3690549 in words is "three million, six hundred ninety thousand, five hundred forty-nine".