3874489 has 4 divisors (see below), whose sum is σ = 3886324. Its totient is φ = 3862656.

The previous prime is 3874469. The next prime is 3874501. The reversal of 3874489 is 9844783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9844783 = 13 ⋅757291.

It can be written as a sum of positive squares in 2 ways, for example, as 1669264 + 2205225 = 1292^2 + 1485^2 .

It is a cyclic number.

It is not a de Polignac number, because 3874489 - 2⁷ = 3874361 is a prime.

It is a super-2 number, since 2×3874489² = 30023330022242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3874439) 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, 5412 + ... + 6085.

It is an arithmetic number, because the mean of its divisors is an integer number (971581).

Almost surely, 2^3874489 is an apocalyptic number.

It is an amenable number.

3874489 is a deficient number, since it is larger than the sum of its proper divisors (11835).

3874489 is a wasteful number, since it uses less digits than its factorization.

3874489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11834.

The product of its digits is 193536, while the sum is 43.

The square root of 3874489 is about 1968.3721700939. The cubic root of 3874489 is about 157.0621280343.

The spelling of 3874489 in words is "three million, eight hundred seventy-four thousand, four hundred eighty-nine".