2662920 has 96 divisors (see below), whose sum is σ = 9336600. Its totient is φ = 654336.

The previous prime is 2662903. The next prime is 2662921. The reversal of 2662920 is 292662.

2662920 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 1179396 + 1483524 = 1086^2 + 1218^2 .

It is a super-2 number, since 2×2662920² = 14182285852800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4396 + ... + 4964.

2^2662920 is an apocalyptic number.

2662920 is a gapful number since it is divisible by the number (20) 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 2662920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4668300).

2662920 is an abundant number, since it is smaller than the sum of its proper divisors (6673680).

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

2662920 is a wasteful number, since it uses less digits than its factorization.

2662920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2662920 is about 1631.8455809298. The cubic root of 2662920 is about 138.6072795912.

The spelling of 2662920 in words is "two million, six hundred sixty-two thousand, nine hundred twenty".