2420428 has 12 divisors (see below), whose sum is σ = 4420080. Its totient is φ = 1157552.

The previous prime is 2420423. The next prime is 2420459. The reversal of 2420428 is 8240242.

2420428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2420399 and 2420408.

It is not an unprimeable number, because it can be changed into a prime (2420423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13063 + ... + 13246.

It is an arithmetic number, because the mean of its divisors is an integer number (368340).

2^2420428 is an apocalyptic number.

It is an amenable number.

2420428 is a deficient number, since it is larger than the sum of its proper divisors (1999652).

2420428 is a wasteful number, since it uses less digits than its factorization.

2420428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26336 (or 26334 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2420428 is about 1555.7724769387. The cubic root of 2420428 is about 134.2653833283.

The spelling of 2420428 in words is "two million, four hundred twenty thousand, four hundred twenty-eight".