42928351 has 4 divisors (see below), whose sum is σ = 43004104. Its totient is φ = 42852600.

The previous prime is 42928339. The next prime is 42928367. The reversal of 42928351 is 15382924.

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

It is a cyclic number.

It is not a de Polignac number, because 42928351 - 2¹³ = 42920159 is a prime.

It is a super-3 number, since 3×42928351³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42928321) 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, 37020 + ... + 38161.

It is an arithmetic number, because the mean of its divisors is an integer number (10751026).

Almost surely, 2^42928351 is an apocalyptic number.

42928351 is a deficient number, since it is larger than the sum of its proper divisors (75753).

42928351 is an equidigital number, since it uses as much as digits as its factorization.

42928351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75752.

The product of its digits is 17280, while the sum is 34.

The square root of 42928351 is about 6551.9730616052. The cubic root of 42928351 is about 350.1451126160.

The spelling of 42928351 in words is "forty-two million, nine hundred twenty-eight thousand, three hundred fifty-one".