3438661 has 8 divisors (see below), whose sum is σ = 3665664. Its totient is φ = 3218160.

The previous prime is 3438649. The next prime is 3438671. The reversal of 3438661 is 1668343.

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

It is a de Polignac number, because none of the positive numbers 2^k-3438661 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 (3438671) 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, 510 + ... + 2671.

It is an arithmetic number, because the mean of its divisors is an integer number (458208).

Almost surely, 2^3438661 is an apocalyptic number.

It is an amenable number.

3438661 is a deficient number, since it is larger than the sum of its proper divisors (227003).

3438661 is a wasteful number, since it uses less digits than its factorization.

3438661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251.

The product of its digits is 10368, while the sum is 31.

The square root of 3438661 is about 1854.3626937576. The cubic root of 3438661 is about 150.9372573857.

The spelling of 3438661 in words is "three million, four hundred thirty-eight thousand, six hundred sixty-one".