2455420 has 24 divisors (see below), whose sum is σ = 5625648. Its totient is φ = 892800.

The previous prime is 2455391. The next prime is 2455423. The reversal of 2455420 is 245542.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2455391 and 2455400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5361 + ... + 5800.

It is an arithmetic number, because the mean of its divisors is an integer number (234402).

2^2455420 is an apocalyptic number.

2455420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2455420 is an abundant number, since it is smaller than the sum of its proper divisors (3170228).

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

2455420 is a wasteful number, since it uses less digits than its factorization.

2455420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181 (or 11179 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2455420 is about 1566.9779832531. The cubic root of 2455420 is about 134.9093126648.

It can be divided in two parts, 245 and 5420, that added together give a palindrome (5665).

The spelling of 2455420 in words is "two million, four hundred fifty-five thousand, four hundred twenty".