3531672 has 48 divisors (see below), whose sum is σ = 9653280. Its totient is φ = 1166400.

The previous prime is 3531659. The next prime is 3531677. The reversal of 3531672 is 2761353.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12897 + ... + 13167.

It is an arithmetic number, because the mean of its divisors is an integer number (201110).

Almost surely, 2^3531672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3531672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4826640).

3531672 is an abundant number, since it is smaller than the sum of its proper divisors (6121608).

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

3531672 is a wasteful number, since it uses less digits than its factorization.

3531672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 457 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 3531672 is about 1879.2743280320. The cubic root of 3531672 is about 152.2860495253.

It can be divided in two parts, 353 and 1672, that added together give a square (2025 = 45²).

The spelling of 3531672 in words is "three million, five hundred thirty-one thousand, six hundred seventy-two".