3539949 has 16 divisors (see below), whose sum is σ = 5450880. Its totient is φ = 2001600.

The previous prime is 3539929. The next prime is 3539957. The reversal of 3539949 is 9499353.

It is a happy number.

It is not a de Polignac number, because 3539949 - 2⁵ = 3539917 is a prime.

3539949 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3539949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3539929) 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, 1287 + ... + 2955.

It is an arithmetic number, because the mean of its divisors is an integer number (340680).

Almost surely, 2^3539949 is an apocalyptic number.

It is an amenable number.

3539949 is a deficient number, since it is larger than the sum of its proper divisors (1910931).

3539949 is a wasteful number, since it uses less digits than its factorization.

3539949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

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

The square root of 3539949 is about 1881.4752190768. The cubic root of 3539949 is about 152.4049250618.

The spelling of 3539949 in words is "three million, five hundred thirty-nine thousand, nine hundred forty-nine".