3549279 has 4 divisors (see below), whose sum is σ = 4732376. Its totient is φ = 2366184.

The previous prime is 3549253. The next prime is 3549307. The reversal of 3549279 is 9729453.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3549279 - 2¹² = 3545183 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3549079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591544 + ... + 591549.

It is an arithmetic number, because the mean of its divisors is an integer number (1183094).

Almost surely, 2^3549279 is an apocalyptic number.

3549279 is a deficient number, since it is larger than the sum of its proper divisors (1183097).

3549279 is a wasteful number, since it uses less digits than its factorization.

3549279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183096.

The product of its digits is 68040, while the sum is 39.

The square root of 3549279 is about 1883.9530248921. The cubic root of 3549279 is about 152.5387019931.

It can be divided in two parts, 3549 and 279, that added together give a triangular number (3828 = T₈₇).

The spelling of 3549279 in words is "three million, five hundred forty-nine thousand, two hundred seventy-nine".