3513780 has 84 divisors (see below), whose sum is σ = 11109252. Its totient is φ = 933120.

The previous prime is 3513761. The next prime is 3513787. The reversal of 3513780 is 873153.

It can be written as a sum of positive squares in 2 ways, for example, as 1971216 + 1542564 = 1404^2 + 1242^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3513787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14460 + ... + 14700.

It is an arithmetic number, because the mean of its divisors is an integer number (132253).

Almost surely, 2^3513780 is an apocalyptic number.

3513780 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 3513780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5554626).

3513780 is an abundant number, since it is smaller than the sum of its proper divisors (7595472).

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

3513780 is a wasteful number, since it uses less digits than its factorization.

3513780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 3513780 is about 1874.5079354327. The cubic root of 3513780 is about 152.0284457381.

The spelling of 3513780 in words is "three million, five hundred thirteen thousand, seven hundred eighty".