285772346 has 16 divisors (see below), whose sum is σ = 454190976. Its totient is φ = 134387136.

The previous prime is 285772339. The next prime is 285772387. The reversal of 285772346 is 643277582.

It is a junction number, because it is equal to n+sod(n) for n = 285772297 and 285772306.

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, 82175 + ... + 85581.

It is an arithmetic number, because the mean of its divisors is an integer number (28386936).

Almost surely, 2^285772346 is an apocalyptic number.

285772346 is a deficient number, since it is larger than the sum of its proper divisors (168418630).

285772346 is a wasteful number, since it uses less digits than its factorization.

285772346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893.

The product of its digits is 564480, while the sum is 44.

The square root of 285772346 is about 16904.8024537408. The cubic root of 285772346 is about 658.6783668614.

The spelling of 285772346 in words is "two hundred eighty-five million, seven hundred seventy-two thousand, three hundred forty-six".