3550230 has 56 divisors (see below), whose sum is σ = 9600912. Its totient is φ = 944784.

The previous prime is 3550219. The next prime is 3550249. The reversal of 3550230 is 320553.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 3⁶ + 5 + 5⁹ + 0 + 2¹¹ + 3¹³ + 0 .

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7047 + ... + 7533.

Almost surely, 2^3550230 is an apocalyptic number.

3550230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3550230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4800456).

3550230 is an abundant number, since it is smaller than the sum of its proper divisors (6050682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3550230 is an equidigital number, since it uses as much as digits as its factorization.

3550230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 3550230 is about 1884.2054028157. The cubic root of 3550230 is about 152.5523246050.

Subtracting from 3550230 its product of nonzero digits (450), we obtain a triangular number (3549780 = T₂₆₆₄).

Adding to 3550230 its reverse (320553), we get a palindrome (3870783).

The spelling of 3550230 in words is "three million, five hundred fifty thousand, two hundred thirty".