3522989 has 4 divisors (see below), whose sum is σ = 3555420. Its totient is φ = 3490560.

The previous prime is 3522977. The next prime is 3522991. The reversal of 3522989 is 9892253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9892253 = 7 ⋅1413179.

It can be written as a sum of positive squares in 2 ways, for example, as 1876900 + 1646089 = 1370^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 3522989 - 2⁴ = 3522973 is a prime.

It is a super-2 number, since 2×3522989² = 24822902988242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3522889) 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, 16052 + ... + 16269.

It is an arithmetic number, because the mean of its divisors is an integer number (888855).

Almost surely, 2^3522989 is an apocalyptic number.

It is an amenable number.

3522989 is a deficient number, since it is larger than the sum of its proper divisors (32431).

3522989 is a wasteful number, since it uses less digits than its factorization.

3522989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32430.

The product of its digits is 38880, while the sum is 38.

The square root of 3522989 is about 1876.9627060760. The cubic root of 3522989 is about 152.1611431615.

The spelling of 3522989 in words is "three million, five hundred twenty-two thousand, nine hundred eighty-nine".