3549399 has 8 divisors (see below), whose sum is σ = 5408640. Its totient is φ = 2028216.

The previous prime is 3549347. The next prime is 3549401. The reversal of 3549399 is 9939453.

3549399 = 497² + 498² + ... + 510².

It is a happy number.

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

It is not a de Polignac number, because 3549399 - 2¹⁶ = 3483863 is a prime.

It is a super-2 number, since 2×3549399² = 25196466522402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3549399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3549319) 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, 84489 + ... + 84530.

It is an arithmetic number, because the mean of its divisors is an integer number (676080).

Almost surely, 2^3549399 is an apocalyptic number.

3549399 is a deficient number, since it is larger than the sum of its proper divisors (1859241).

3549399 is a wasteful number, since it uses less digits than its factorization.

3549399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169029.

The product of its digits is 131220, while the sum is 42.

The square root of 3549399 is about 1883.9848725507. The cubic root of 3549399 is about 152.5404210688.

The spelling of 3549399 in words is "three million, five hundred forty-nine thousand, three hundred ninety-nine".