3531138 has 32 divisors (see below), whose sum is σ = 8055936. Its totient is φ = 1022208.

The previous prime is 3531119. The next prime is 3531139. The reversal of 3531138 is 8311353.

It is not an unprimeable number, because it can be changed into a prime (3531139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6 + ... + 2657.

It is an arithmetic number, because the mean of its divisors is an integer number (251748).

Almost surely, 2^3531138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3531138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4027968).

3531138 is an abundant number, since it is smaller than the sum of its proper divisors (4524798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3531138 is a wasteful number, since it uses less digits than its factorization.

3531138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698.

The product of its digits is 1080, while the sum is 24.

The square root of 3531138 is about 1879.1322465436. The cubic root of 3531138 is about 152.2783737607.

The spelling of 3531138 in words is "three million, five hundred thirty-one thousand, one hundred thirty-eight".