428322741 has 16 divisors (see below), whose sum is σ = 712017408. Its totient is φ = 222505200.

The previous prime is 428322731. The next prime is 428322799. The reversal of 428322741 is 147223824.

It is a happy number.

It is not a de Polignac number, because 428322741 - 2⁹ = 428322229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428322731) 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, 926875 + ... + 927336.

It is an arithmetic number, because the mean of its divisors is an integer number (44501088).

Almost surely, 2^428322741 is an apocalyptic number.

It is an amenable number.

428322741 is a deficient number, since it is larger than the sum of its proper divisors (283694667).

428322741 is a wasteful number, since it uses less digits than its factorization.

428322741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854232.

The product of its digits is 21504, while the sum is 33.

The square root of 428322741 is about 20695.9595332036. The cubic root of 428322741 is about 753.8015816343.

The spelling of 428322741 in words is "four hundred twenty-eight million, three hundred twenty-two thousand, seven hundred forty-one".