3384921 has 16 divisors (see below), whose sum is σ = 4935168. Its totient is φ = 2054400.

The previous prime is 3384883. The next prime is 3384929. The reversal of 3384921 is 1294833.

It is not a de Polignac number, because 3384921 - 2¹⁹ = 2860633 is a prime.

It is a super-2 number, since 2×3384921² = 22915380352482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3384929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (308448).

Almost surely, 2^3384921 is an apocalyptic number.

3384921 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3384921 is a deficient number, since it is larger than the sum of its proper divisors (1550247).

3384921 is a wasteful number, since it uses less digits than its factorization.

3384921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192.

The product of its digits is 5184, while the sum is 30.

The square root of 3384921 is about 1839.8154798783. The cubic root of 3384921 is about 150.1468339961.

The spelling of 3384921 in words is "three million, three hundred eighty-four thousand, nine hundred twenty-one".