3919489 has 8 divisors (see below), whose sum is σ = 4498560. Its totient is φ = 3345216.

The previous prime is 3919481. The next prime is 3919501. The reversal of 3919489 is 9849193.

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

It is not a de Polignac number, because 3919489 - 2³ = 3919481 is a prime.

It is a super-2 number, since 2×3919489² = 30724788042242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3919481) 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, 777 + ... + 2905.

It is an arithmetic number, because the mean of its divisors is an integer number (562320).

Almost surely, 2^3919489 is an apocalyptic number.

It is an amenable number.

3919489 is a deficient number, since it is larger than the sum of its proper divisors (579071).

3919489 is a wasteful number, since it uses less digits than its factorization.

3919489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399.

The product of its digits is 69984, while the sum is 43.

The square root of 3919489 is about 1979.7699361289. The cubic root of 3919489 is about 157.6678516231.

The spelling of 3919489 in words is "three million, nine hundred nineteen thousand, four hundred eighty-nine".