3855489 has 8 divisors (see below), whose sum is σ = 5608032. Its totient is φ = 2336640.

The previous prime is 3855479. The next prime is 3855493. The reversal of 3855489 is 9845583.

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

It is not a de Polignac number, because 3855489 - 2⁷ = 3855361 is a prime.

3855489 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3855489.

It is not an unprimeable number, because it can be changed into a prime (3855409) 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, 58384 + ... + 58449.

It is an arithmetic number, because the mean of its divisors is an integer number (701004).

Almost surely, 2^3855489 is an apocalyptic number.

It is an amenable number.

3855489 is a deficient number, since it is larger than the sum of its proper divisors (1752543).

3855489 is a wasteful number, since it uses less digits than its factorization.

3855489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116847.

The product of its digits is 172800, while the sum is 42.

The square root of 3855489 is about 1963.5399155607. The cubic root of 3855489 is about 156.8049696684.

The spelling of 3855489 in words is "three million, eight hundred fifty-five thousand, four hundred eighty-nine".