3632149 has 4 divisors (see below), whose sum is σ = 3720780. Its totient is φ = 3543520.

The previous prime is 3632141. The next prime is 3632171. The reversal of 3632149 is 9412363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9412363 = 2081 ⋅4523.

It can be written as a sum of positive squares in 2 ways, for example, as 1397124 + 2235025 = 1182^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 3632149 - 2³ = 3632141 is a prime.

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

It is a Duffinian number.

3632149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3632141) 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, 44254 + ... + 44335.

It is an arithmetic number, because the mean of its divisors is an integer number (930195).

Almost surely, 2^3632149 is an apocalyptic number.

It is an amenable number.

3632149 is a deficient number, since it is larger than the sum of its proper divisors (88631).

3632149 is an equidigital number, since it uses as much as digits as its factorization.

3632149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88630.

The product of its digits is 3888, while the sum is 28.

The square root of 3632149 is about 1905.8197711221. The cubic root of 3632149 is about 153.7167588480.

It can be divided in two parts, 363 and 2149, that multiplied together give a palindrome (780087).

The spelling of 3632149 in words is "three million, six hundred thirty-two thousand, one hundred forty-nine".