428741651 has 16 divisors (see below), whose sum is σ = 466243008. Its totient is φ = 391910400.

The previous prime is 428741641. The next prime is 428741653. The reversal of 428741651 is 156147824.

It is a cyclic number.

It is not a de Polignac number, because 428741651 - 2²⁶ = 361632787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428741653) 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, 880130 + ... + 880616.

It is an arithmetic number, because the mean of its divisors is an integer number (29140188).

Almost surely, 2^428741651 is an apocalyptic number.

428741651 is a deficient number, since it is larger than the sum of its proper divisors (37501357).

428741651 is a wasteful number, since it uses less digits than its factorization.

428741651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022.

The product of its digits is 53760, while the sum is 38.

The square root of 428741651 is about 20706.0776343565. The cubic root of 428741651 is about 754.0472469555.

The spelling of 428741651 in words is "four hundred twenty-eight million, seven hundred forty-one thousand, six hundred fifty-one".