428183357 has 4 divisors (see below), whose sum is σ = 489352416. Its totient is φ = 367014300.

The previous prime is 428183333. The next prime is 428183383. The reversal of 428183357 is 753381824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428183357 - 2¹⁰ = 428182333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428183857) 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, 30584519 + ... + 30584532.

It is an arithmetic number, because the mean of its divisors is an integer number (122338104).

Almost surely, 2^428183357 is an apocalyptic number.

It is an amenable number.

428183357 is a deficient number, since it is larger than the sum of its proper divisors (61169059).

428183357 is an equidigital number, since it uses as much as digits as its factorization.

428183357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61169058.

The product of its digits is 161280, while the sum is 41.

The square root of 428183357 is about 20692.5918386267. The cubic root of 428183357 is about 753.7198058543.

The spelling of 428183357 in words is "four hundred twenty-eight million, one hundred eighty-three thousand, three hundred fifty-seven".