3557250 has 128 divisors (see below), whose sum is σ = 10782720. Its totient is φ = 864000.

The previous prime is 3557243. The next prime is 3557251. The reversal of 3557250 is 527553.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3557251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114735 + ... + 114765.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

Almost surely, 2^3557250 is an apocalyptic number.

3557250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3557250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5391360).

3557250 is an abundant number, since it is smaller than the sum of its proper divisors (7225470).

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

3557250 is a wasteful number, since it uses less digits than its factorization.

3557250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 3557250 is about 1886.0673370800. The cubic root of 3557250 is about 152.6528075069.

The spelling of 3557250 in words is "three million, five hundred fifty-seven thousand, two hundred fifty".