3547789 has 8 divisors (see below), whose sum is σ = 4068608. Its totient is φ = 3030480.

The previous prime is 3547777. The next prime is 3547823. The reversal of 3547789 is 9877453.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3547789 - 2⁵ = 3547757 is a prime.

It is a Duffinian number.

3547789 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547759) 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, 1879 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (508576).

Almost surely, 2^3547789 is an apocalyptic number.

It is an amenable number.

3547789 is a deficient number, since it is larger than the sum of its proper divisors (520819).

3547789 is a wasteful number, since it uses less digits than its factorization.

3547789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its digits is 211680, while the sum is 43.

The square root of 3547789 is about 1883.5575382770. The cubic root of 3547789 is about 152.5173535748.

The spelling of 3547789 in words is "three million, five hundred forty-seven thousand, seven hundred eighty-nine".