3900538 has 4 divisors (see below), whose sum is σ = 5850810. Its totient is φ = 1950268.

The previous prime is 3900517. The next prime is 3900563. The reversal of 3900538 is 8350093.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2866249 + 1034289 = 1693^2 + 1017^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975133 + ... + 975136.

Almost surely, 2^3900538 is an apocalyptic number.

3900538 is a deficient number, since it is larger than the sum of its proper divisors (1950272).

3900538 is a wasteful number, since it uses less digits than its factorization.

3900538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950271.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3900538 is about 1974.9779745607. The cubic root of 3900538 is about 157.4133293199.

The spelling of 3900538 in words is "three million, nine hundred thousand, five hundred thirty-eight".