3521100 has 108 divisors (see below), whose sum is σ = 11313512. Its totient is φ = 844800.

The previous prime is 3521083. The next prime is 3521101. The reversal of 3521100 is 11253.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36252 + ... + 36348.

Almost surely, 2^3521100 is an apocalyptic number.

3521100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3521100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5656756).

3521100 is an abundant number, since it is smaller than the sum of its proper divisors (7792412).

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

3521100 is a wasteful number, since it uses less digits than its factorization.

3521100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 3521100 is about 1876.4594320155. The cubic root of 3521100 is about 152.1339424154.

3521100 divided by its product of nonzero digits (30) gives a triangular number (117370 = T₄₈₄).

Adding to 3521100 its reverse (11253), we get a palindrome (3532353).

The spelling of 3521100 in words is "three million, five hundred twenty-one thousand, one hundred".