3550149 has 20 divisors (see below), whose sum is σ = 5437740. Its totient is φ = 2306880.

The previous prime is 3550111. The next prime is 3550163. The reversal of 3550149 is 9410553.

It can be written as a sum of positive squares in 2 ways, for example, as 777924 + 2772225 = 882^2 + 1665^2 .

It is not a de Polignac number, because 3550149 - 2¹¹ = 3548101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

3550149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3550109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2787 + ... + 3855.

It is an arithmetic number, because the mean of its divisors is an integer number (271887).

Almost surely, 2^3550149 is an apocalyptic number.

It is an amenable number.

3550149 is a deficient number, since it is larger than the sum of its proper divisors (1887591).

3550149 is a wasteful number, since it uses less digits than its factorization.

3550149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 3550149 is about 1884.1839082213. The cubic root of 3550149 is about 152.5511644142.

The spelling of 3550149 in words is "three million, five hundred fifty thousand, one hundred forty-nine".