428154337 has 4 divisors (see below), whose sum is σ = 461089300. Its totient is φ = 395219376.

The previous prime is 428154313. The next prime is 428154373. The reversal of 428154337 is 733451824.

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 229795281 + 198359056 = 15159^2 + 14084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428154337 is a prime.

It is a super-2 number, since 2×428154337² = 366632272583819138, 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 = 428154296 and 428154305.

It is not an unprimeable number, because it can be changed into a prime (428154137) 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, 16467462 + ... + 16467487.

It is an arithmetic number, because the mean of its divisors is an integer number (115272325).

Almost surely, 2^428154337 is an apocalyptic number.

It is an amenable number.

428154337 is a deficient number, since it is larger than the sum of its proper divisors (32934963).

428154337 is a wasteful number, since it uses less digits than its factorization.

428154337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32934962.

The product of its digits is 80640, while the sum is 37.

The square root of 428154337 is about 20691.8906096084. The cubic root of 428154337 is about 753.7027777575.

The spelling of 428154337 in words is "four hundred twenty-eight million, one hundred fifty-four thousand, three hundred thirty-seven".