2863420 has 48 divisors (see below), whose sum is σ = 6971328. Its totient is φ = 967680.

The previous prime is 2863403. The next prime is 2863423. The reversal of 2863420 is 243682.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2863423) 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, 15730 + ... + 15910.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

2^2863420 is an apocalyptic number.

2863420 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 2863420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3485664).

2863420 is an abundant number, since it is smaller than the sum of its proper divisors (4107908).

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

2863420 is a wasteful number, since it uses less digits than its factorization.

2863420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2863420 is about 1692.1642946239. The cubic root of 2863420 is about 142.0021820732.

The spelling of 2863420 in words is "two million, eight hundred sixty-three thousand, four hundred twenty".