2428403 has 2 divisors, whose sum is σ = 2428404. Its totient is φ = 2428402.

The previous prime is 2428379. The next prime is 2428417. The reversal of 2428403 is 3048242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2428403 - 2¹⁴ = 2412019 is a prime.

It is a super-2 number, since 2×2428403² = 11794282260818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2428453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214201 + 1214202.

It is an arithmetic number, because the mean of its divisors is an integer number (1214202).

2^2428403 is an apocalyptic number.

2428403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2428403 is an equidigital number, since it uses as much as digits as its factorization.

2428403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2428403 is about 1558.3334046346. Note that the first 3 decimals coincide. The cubic root of 2428403 is about 134.4126840767.

The spelling of 2428403 in words is "two million, four hundred twenty-eight thousand, four hundred three".