42346285 has 8 divisors (see below), whose sum is σ = 50938776. Its totient is φ = 33794880.

The previous prime is 42346277. The next prime is 42346301. The reversal of 42346285 is 58264324.

It can be written as a sum of positive squares in 4 ways, for example, as 1552516 + 40793769 = 1246^2 + 6387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42346285 - 2³ = 42346277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42346285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7954 + ... + 12163.

It is an arithmetic number, because the mean of its divisors is an integer number (6367347).

Almost surely, 2^42346285 is an apocalyptic number.

It is an amenable number.

42346285 is a deficient number, since it is larger than the sum of its proper divisors (8592491).

42346285 is a wasteful number, since it uses less digits than its factorization.

42346285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20543.

The product of its digits is 46080, while the sum is 34.

The square root of 42346285 is about 6507.4023235082. The cubic root of 42346285 is about 348.5553651608. Note that the first 3 decimals are identical.

The spelling of 42346285 in words is "forty-two million, three hundred forty-six thousand, two hundred eighty-five".