285196901 has 8 divisors (see below), whose sum is σ = 312924384. Its totient is φ = 257769520.

The previous prime is 285196883. The next prime is 285196903. The reversal of 285196901 is 109691582.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285196901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285196903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73031 + ... + 76836.

It is an arithmetic number, because the mean of its divisors is an integer number (39115548).

Almost surely, 2^285196901 is an apocalyptic number.

It is an amenable number.

285196901 is a deficient number, since it is larger than the sum of its proper divisors (27727483).

285196901 is a wasteful number, since it uses less digits than its factorization.

285196901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150051.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 285196901 is about 16887.7737135479. The cubic root of 285196901 is about 658.2359542484.

The spelling of 285196901 in words is "two hundred eighty-five million, one hundred ninety-six thousand, nine hundred one".