2291652 has 60 divisors (see below), whose sum is σ = 6545616. Its totient is φ = 693360.

The previous prime is 2291629. The next prime is 2291657. The reversal of 2291652 is 2561922.

2291652 is a `hidden beast` number, since 2 + 2 + 9 + 1 + 652 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2291657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3243 + ... + 3885.

2^2291652 is an apocalyptic number.

2291652 is a gapful number since it is divisible by the number (22) 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 2291652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3272808).

2291652 is an abundant number, since it is smaller than the sum of its proper divisors (4253964).

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

2291652 is a wasteful number, since it uses less digits than its factorization.

2291652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 659 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 2291652 is about 1513.8203328004. The cubic root of 2291652 is about 131.8407169630.

It can be divided in two parts, 229 and 1652, that added together give a palindrome (1881).

The spelling of 2291652 in words is "two million, two hundred ninety-one thousand, six hundred fifty-two".