3630538 has 4 divisors (see below), whose sum is σ = 5445810. Its totient is φ = 1815268.

The previous prime is 3630521. The next prime is 3630547. The reversal of 3630538 is 8350363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8350363 = 7 ⋅1192909.

It can be written as a sum of positive squares in only one way, i.e., 3583449 + 47089 = 1893^2 + 217^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 907633 + ... + 907636.

Almost surely, 2^3630538 is an apocalyptic number.

3630538 is a deficient number, since it is larger than the sum of its proper divisors (1815272).

3630538 is a wasteful number, since it uses less digits than its factorization.

3630538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815271.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3630538 is about 1905.3970714788. The cubic root of 3630538 is about 153.6940290243.

The spelling of 3630538 in words is "three million, six hundred thirty thousand, five hundred thirty-eight".