3550990 has 8 divisors (see below), whose sum is σ = 6391800. Its totient is φ = 1420392.

The previous prime is 3550979. The next prime is 3550999. The reversal of 3550990 is 990553.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3550999) 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, 177540 + ... + 177559.

It is an arithmetic number, because the mean of its divisors is an integer number (798975).

Almost surely, 2^3550990 is an apocalyptic number.

3550990 is a deficient number, since it is larger than the sum of its proper divisors (2840810).

3550990 is a wasteful number, since it uses less digits than its factorization.

3550990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355106.

The product of its (nonzero) digits is 6075, while the sum is 31.

The square root of 3550990 is about 1884.4070685497. The cubic root of 3550990 is about 152.5632094861.

The spelling of 3550990 in words is "three million, five hundred fifty thousand, nine hundred ninety".