887998406 has 4 divisors (see below), whose sum is σ = 1331997612. Its totient is φ = 443999202.

The previous prime is 887998399. The next prime is 887998471. The reversal of 887998406 is 604899788.

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

It is a Curzon number.

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, 221999600 + ... + 221999603.

It is an arithmetic number, because the mean of its divisors is an integer number (332999403).

Almost surely, 2^887998406 is an apocalyptic number.

887998406 is a deficient number, since it is larger than the sum of its proper divisors (443999206).

887998406 is a wasteful number, since it uses less digits than its factorization.

887998406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443999205.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The square root of 887998406 is about 29799.3021059219. The cubic root of 887998406 is about 961.1785316208.

The spelling of 887998406 in words is "eight hundred eighty-seven million, nine hundred ninety-eight thousand, four hundred six".