3428661 has 8 divisors (see below), whose sum is σ = 4636224. Its totient is φ = 2253440.

The previous prime is 3428657. The next prime is 3428671. The reversal of 3428661 is 1668243.

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

It is a cyclic number.

It is not a de Polignac number, because 3428661 - 2² = 3428657 is a prime.

3428661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428651) 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, 7836 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (579528).

Almost surely, 2^3428661 is an apocalyptic number.

It is an amenable number.

3428661 is a deficient number, since it is larger than the sum of its proper divisors (1207563).

3428661 is a wasteful number, since it uses less digits than its factorization.

3428661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16171.

The product of its digits is 6912, while the sum is 30.

The square root of 3428661 is about 1851.6643864372. The cubic root of 3428661 is about 150.7908013395.

The spelling of 3428661 in words is "three million, four hundred twenty-eight thousand, six hundred sixty-one".