3546989 has 4 divisors (see below), whose sum is σ = 3661440. Its totient is φ = 3432540.

The previous prime is 3546979. The next prime is 3547001. The reversal of 3546989 is 9896453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3546989 - 2²⁰ = 2498413 is a prime.

It is a super-2 number, since 2×3546989² = 25162261932242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3546929) 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, 57179 + ... + 57240.

It is an arithmetic number, because the mean of its divisors is an integer number (915360).

Almost surely, 2^3546989 is an apocalyptic number.

It is an amenable number.

3546989 is a deficient number, since it is larger than the sum of its proper divisors (114451).

3546989 is a wasteful number, since it uses less digits than its factorization.

3546989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114450.

The product of its digits is 233280, while the sum is 44.

The square root of 3546989 is about 1883.3451622047. The cubic root of 3546989 is about 152.5058888705.

The spelling of 3546989 in words is "three million, five hundred forty-six thousand, nine hundred eighty-nine".