905068894 has 4 divisors (see below), whose sum is σ = 1357603344. Its totient is φ = 452534446.

The previous prime is 905068873. The next prime is 905068903. The reversal of 905068894 is 498860509.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498860509 = 7 ⋅71265787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226267222 + ... + 226267225.

It is an arithmetic number, because the mean of its divisors is an integer number (339400836).

Almost surely, 2^905068894 is an apocalyptic number.

905068894 is a deficient number, since it is larger than the sum of its proper divisors (452534450).

905068894 is a wasteful number, since it uses less digits than its factorization.

905068894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452534449.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 905068894 is about 30084.3629482161. The cubic root of 905068894 is about 967.2985713532.

The spelling of 905068894 in words is "nine hundred five million, sixty-eight thousand, eight hundred ninety-four".