3508138 has 8 divisors (see below), whose sum is σ = 5271588. Its totient is φ = 1750944.

The previous prime is 3508111. The next prime is 3508139. The reversal of 3508138 is 8318053.

It can be written as a sum of positive squares in 2 ways, for example, as 3508129 + 9 = 1873^2 + 3^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3508139) 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, 270 + ... + 2662.

Almost surely, 2^3508138 is an apocalyptic number.

3508138 is a deficient number, since it is larger than the sum of its proper divisors (1763450).

3508138 is a wasteful number, since it uses less digits than its factorization.

3508138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 3508138 is about 1873.0024025612. The cubic root of 3508138 is about 151.9470325603.

The spelling of 3508138 in words is "three million, five hundred eight thousand, one hundred thirty-eight".