2662420 has 12 divisors (see below), whose sum is σ = 5591124. Its totient is φ = 1064960.

The previous prime is 2662399. The next prime is 2662453. The reversal of 2662420 is 242662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1976836 + 685584 = 1406^2 + 828^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2662391 and 2662400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66541 + ... + 66580.

It is an arithmetic number, because the mean of its divisors is an integer number (465927).

2^2662420 is an apocalyptic number.

2662420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2662420 is an abundant number, since it is smaller than the sum of its proper divisors (2928704).

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

2662420 is a wasteful number, since it uses less digits than its factorization.

2662420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133130 (or 133128 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2662420 is about 1631.6923729674. The cubic root of 2662420 is about 138.5986039046.

The spelling of 2662420 in words is "two million, six hundred sixty-two thousand, four hundred twenty".