428926427 has 2 divisors, whose sum is σ = 428926428. Its totient is φ = 428926426.

The previous prime is 428926397. The next prime is 428926457. The reversal of 428926427 is 724629824.

It is a balanced prime because it is at equal distance from previous prime (428926397) and next prime (428926457).

It is a cyclic number.

It is not a de Polignac number, because 428926427 - 2⁶ = 428926363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (428926457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214463213 + 214463214.

It is an arithmetic number, because the mean of its divisors is an integer number (214463214).

Almost surely, 2^428926427 is an apocalyptic number.

428926427 is a deficient number, since it is larger than the sum of its proper divisors (1).

428926427 is an equidigital number, since it uses as much as digits as its factorization.

428926427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 44.

The square root of 428926427 is about 20710.5390320967. The cubic root of 428926427 is about 754.1555560213.

The spelling of 428926427 in words is "four hundred twenty-eight million, nine hundred twenty-six thousand, four hundred twenty-seven".