2620632 has 64 divisors (see below), whose sum is σ = 7891200. Its totient is φ = 708480.

The previous prime is 2620619. The next prime is 2620633. The reversal of 2620632 is 2360262.

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

It is a junction number, because it is equal to n+sod(n) for n = 2620599 and 2620608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782 + ... + 3602.

It is an arithmetic number, because the mean of its divisors is an integer number (123300).

2^2620632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2620632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3945600).

2620632 is an abundant number, since it is smaller than the sum of its proper divisors (5270568).

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

2620632 is a wasteful number, since it uses less digits than its factorization.

2620632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2620632 is about 1618.8366193041. The cubic root of 2620632 is about 137.8696521761.

Adding to 2620632 its reverse (2360262), we get a palindrome (4980894).

The spelling of 2620632 in words is "two million, six hundred twenty thousand, six hundred thirty-two".