3550161 has 16 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 2208000.

The previous prime is 3550111. The next prime is 3550163. The reversal of 3550161 is 1610553.

It is a happy number.

It is not a de Polignac number, because 3550161 - 2⁹ = 3549649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3550163) 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, 7471 + ... + 7931.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

Almost surely, 2^3550161 is an apocalyptic number.

It is an amenable number.

3550161 is a deficient number, since it is larger than the sum of its proper divisors (1505967).

3550161 is a wasteful number, since it uses less digits than its factorization.

3550161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 3550161 is about 1884.1870926211. The cubic root of 3550161 is about 152.5513362954.

The spelling of 3550161 in words is "three million, five hundred fifty thousand, one hundred sixty-one".