3420189 has 12 divisors (see below), whose sum is σ = 4960956. Its totient is φ = 2270592.

The previous prime is 3420187. The next prime is 3420191. The reversal of 3420189 is 9810243.

It is an interprime number because it is at equal distance from previous prime (3420187) and next prime (3420191).

It can be written as a sum of positive squares in 2 ways, for example, as 3348900 + 71289 = 1830^2 + 267^2 .

It is not a de Polignac number, because 3420189 - 2¹ = 3420187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1989 + ... + 3285.

It is an arithmetic number, because the mean of its divisors is an integer number (413413).

Almost surely, 2^3420189 is an apocalyptic number.

It is an amenable number.

3420189 is a deficient number, since it is larger than the sum of its proper divisors (1540767).

3420189 is a wasteful number, since it uses less digits than its factorization.

3420189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3420189 is about 1849.3752999324. The cubic root of 3420189 is about 150.6665007917. Note that the first 3 decimals are identical.

The spelling of 3420189 in words is "three million, four hundred twenty thousand, one hundred eighty-nine".