3467639 has 4 divisors (see below), whose sum is σ = 3963024. Its totient is φ = 2972256.

The previous prime is 3467623. The next prime is 3467647. The reversal of 3467639 is 9367643.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3467639 - 2⁴ = 3467623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3467669) 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, 247682 + ... + 247695.

It is an arithmetic number, because the mean of its divisors is an integer number (990756).

Almost surely, 2^3467639 is an apocalyptic number.

3467639 is a deficient number, since it is larger than the sum of its proper divisors (495385).

3467639 is an equidigital number, since it uses as much as digits as its factorization.

3467639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495384.

The product of its digits is 81648, while the sum is 38.

The square root of 3467639 is about 1862.1597675817. The cubic root of 3467639 is about 151.3600605932.

The spelling of 3467639 in words is "three million, four hundred sixty-seven thousand, six hundred thirty-nine".