285029642 has 8 divisors (see below), whose sum is σ = 433566432. Its totient is φ = 140507500.

The previous prime is 285029629. The next prime is 285029681. The reversal of 285029642 is 246920582.

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

It is a junction number, because it is equal to n+sod(n) for n = 285029596 and 285029605.

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, 1003484 + ... + 1003767.

It is an arithmetic number, because the mean of its divisors is an integer number (54195804).

Almost surely, 2^285029642 is an apocalyptic number.

285029642 is a deficient number, since it is larger than the sum of its proper divisors (148536790).

285029642 is a wasteful number, since it uses less digits than its factorization.

285029642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007324.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 285029642 is about 16882.8209135796. The cubic root of 285029642 is about 658.1072508664.

The spelling of 285029642 in words is "two hundred eighty-five million, twenty-nine thousand, six hundred forty-two".