801897914 has 4 divisors (see below), whose sum is σ = 1202846874. Its totient is φ = 400948956.

The previous prime is 801897913. The next prime is 801897917. The reversal of 801897914 is 419798108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 790453225 + 11444689 = 28115^2 + 3383^2 .

It is not an unprimeable number, because it can be changed into a prime (801897913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200474477 + ... + 200474480.

Almost surely, 2^801897914 is an apocalyptic number.

801897914 is a deficient number, since it is larger than the sum of its proper divisors (400948960).

801897914 is a wasteful number, since it uses less digits than its factorization.

801897914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400948959.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 801897914 is about 28317.8020686635. The cubic root of 801897914 is about 929.0512983222.

The spelling of 801897914 in words is "eight hundred one million, eight hundred ninety-seven thousand, nine hundred fourteen".