2620662 has 32 divisors (see below), whose sum is σ = 5823360. Its totient is φ = 779520.

The previous prime is 2620661. The next prime is 2620663. The reversal of 2620662 is 2660262.

It is an interprime number because it is at equal distance from previous prime (2620661) and next prime (2620663).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620661) 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, 3558 + ... + 4230.

It is an arithmetic number, because the mean of its divisors is an integer number (181980).

2^2620662 is an apocalyptic number.

2620662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2620662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2911680).

2620662 is an abundant number, since it is smaller than the sum of its proper divisors (3202698).

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

2620662 is a wasteful number, since it uses less digits than its factorization.

2620662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2620662 is about 1618.8458851911. The cubic root of 2620662 is about 137.8701782672.

The spelling of 2620662 in words is "two million, six hundred twenty thousand, six hundred sixty-two".