3474989 has 4 divisors (see below), whose sum is σ = 3971424. Its totient is φ = 2978556.

The previous prime is 3474949. The next prime is 3475013. The reversal of 3474989 is 9894743.

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 de Polignac number, because none of the positive numbers 2^k-3474989 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3474949) 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, 248207 + ... + 248220.

It is an arithmetic number, because the mean of its divisors is an integer number (992856).

Almost surely, 2^3474989 is an apocalyptic number.

It is an amenable number.

3474989 is a deficient number, since it is larger than the sum of its proper divisors (496435).

3474989 is an equidigital number, since it uses as much as digits as its factorization.

3474989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496434.

The product of its digits is 217728, while the sum is 44.

The square root of 3474989 is about 1864.1322377986. The cubic root of 3474989 is about 151.4669259421.

The spelling of 3474989 in words is "three million, four hundred seventy-four thousand, nine hundred eighty-nine".