3551442 has 16 divisors (see below), whose sum is σ = 7476960. Its totient is φ = 1121472.

The previous prime is 3551441. The next prime is 3551447. The reversal of 3551442 is 2441553.

It is a super-2 number, since 2×3551442² = 25225480558728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15463 + ... + 15690.

It is an arithmetic number, because the mean of its divisors is an integer number (467310).

Almost surely, 2^3551442 is an apocalyptic number.

3551442 is an abundant number, since it is smaller than the sum of its proper divisors (3925518).

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

3551442 is a wasteful number, since it uses less digits than its factorization.

3551442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31177.

The product of its digits is 2400, while the sum is 24.

The square root of 3551442 is about 1884.5269963574. The cubic root of 3551442 is about 152.5696823894.

Adding to 3551442 its reverse (2441553), we get a palindrome (5992995).

It can be divided in two parts, 3551 and 442, that added together give a palindrome (3993).

The spelling of 3551442 in words is "three million, five hundred fifty-one thousand, four hundred forty-two".