2646420 has 48 divisors (see below), whose sum is σ = 8469888. Its totient is φ = 604800.

The previous prime is 2646409. The next prime is 2646443. The reversal of 2646420 is 246462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2731 + ... + 3570.

It is an arithmetic number, because the mean of its divisors is an integer number (176456).

2^2646420 is an apocalyptic number.

2646420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2646420 is an abundant number, since it is smaller than the sum of its proper divisors (5823468).

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

2646420 is a wasteful number, since it uses less digits than its factorization.

2646420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320 (or 6318 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2646420 is about 1626.7820997294. The cubic root of 2646420 is about 138.3204065274.

The spelling of 2646420 in words is "two million, six hundred forty-six thousand, four hundred twenty".