385402282 has 8 divisors (see below), whose sum is σ = 578594016. Its totient is φ = 192537612.

The previous prime is 385402247. The next prime is 385402301. The reversal of 385402282 is 282204583.

It is a happy number.

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

It is a super-3 number, since 3×385402282³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78798 + ... + 83545.

It is an arithmetic number, because the mean of its divisors is an integer number (72324252).

Almost surely, 2^385402282 is an apocalyptic number.

385402282 is a deficient number, since it is larger than the sum of its proper divisors (193191734).

385402282 is a wasteful number, since it uses less digits than its factorization.

385402282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163532.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 385402282 is about 19631.6652885077. The cubic root of 385402282 is about 727.7319246540.

The spelling of 385402282 in words is "three hundred eighty-five million, four hundred two thousand, two hundred eighty-two".