3630270 has 64 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 812928.

The previous prime is 3630269. The next prime is 3630271. The reversal of 3630270 is 720363.

It is an interprime number because it is at equal distance from previous prime (3630269) and next prime (3630271).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12244 + ... + 12536.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

Almost surely, 2^3630270 is an apocalyptic number.

3630270 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 3630270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5080320).

3630270 is an abundant number, since it is smaller than the sum of its proper divisors (6530370).

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

3630270 is a wasteful number, since it uses less digits than its factorization.

3630270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 3630270 is about 1905.3267436322. The cubic root of 3630270 is about 153.6902471226.

It can be divided in two parts, 3630 and 270, that multiplied together give a square (980100 = 990²).

The spelling of 3630270 in words is "three million, six hundred thirty thousand, two hundred seventy".