3421864 has 8 divisors (see below), whose sum is σ = 6416010. Its totient is φ = 1710928.

The previous prime is 3421861. The next prime is 3421867. The reversal of 3421864 is 4681243.

It is an interprime number because it is at equal distance from previous prime (3421861) and next prime (3421867).

It can be written as a sum of positive squares in only one way, i.e., 3392964 + 28900 = 1842^2 + 170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3421861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213859 + ... + 213874.

Almost surely, 2^3421864 is an apocalyptic number.

It is an amenable number.

3421864 is a deficient number, since it is larger than the sum of its proper divisors (2994146).

3421864 is a wasteful number, since it uses less digits than its factorization.

3421864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427739 (or 427735 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 3421864 is about 1849.8281001217. The cubic root of 3421864 is about 150.6910925323.

The spelling of 3421864 in words is "three million, four hundred twenty-one thousand, eight hundred sixty-four".