428026741 has 4 divisors (see below), whose sum is σ = 429105292. Its totient is φ = 426948192.

The previous prime is 428026727. The next prime is 428026777. The reversal of 428026741 is 147620824.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 319658641 + 108368100 = 17879^2 + 10410^2 .

It is a cyclic number.

It is not a de Polignac number, because 428026741 - 2¹¹ = 428024693 is a prime.

It is a super-2 number, since 2×428026741² = 366413782022162162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428026697 and 428026706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428026241) 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, 538680 + ... + 539473.

It is an arithmetic number, because the mean of its divisors is an integer number (107276323).

Almost surely, 2^428026741 is an apocalyptic number.

It is an amenable number.

428026741 is a deficient number, since it is larger than the sum of its proper divisors (1078551).

428026741 is a wasteful number, since it uses less digits than its factorization.

428026741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078550.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 428026741 is about 20688.8071429940. The cubic root of 428026741 is about 753.6278989843.

The spelling of 428026741 in words is "four hundred twenty-eight million, twenty-six thousand, seven hundred forty-one".