3432181 has 4 divisors (see below), whose sum is σ = 3634092. Its totient is φ = 3230272.

The previous prime is 3432173. The next prime is 3432203. The reversal of 3432181 is 1812343.

3432181 = 234² + 235² + ... + 284².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1285956 + 2146225 = 1134^2 + 1465^2 .

It is not a de Polignac number, because 3432181 - 2³ = 3432173 is a prime.

It is a super-2 number, since 2×3432181² = 23559732833522, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3432101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100930 + ... + 100963.

It is an arithmetic number, because the mean of its divisors is an integer number (908523).

Almost surely, 2^3432181 is an apocalyptic number.

It is an amenable number.

3432181 is a deficient number, since it is larger than the sum of its proper divisors (201911).

3432181 is a wasteful number, since it uses less digits than its factorization.

3432181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201910.

The product of its digits is 576, while the sum is 22.

The square root of 3432181 is about 1852.6146388281. The cubic root of 3432181 is about 150.8423863055.

The spelling of 3432181 in words is "three million, four hundred thirty-two thousand, one hundred eighty-one".