989051246 has 4 divisors (see below), whose sum is σ = 1483576872. Its totient is φ = 494525622.

The previous prime is 989051233. The next prime is 989051281. The reversal of 989051246 is 642150989.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 989051197 and 989051206.

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, 247262810 + ... + 247262813.

It is an arithmetic number, because the mean of its divisors is an integer number (370894218).

Almost surely, 2^989051246 is an apocalyptic number.

989051246 is a deficient number, since it is larger than the sum of its proper divisors (494525626).

989051246 is a wasteful number, since it uses less digits than its factorization.

989051246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494525625.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 989051246 is about 31449.1851404770. The cubic root of 989051246 is about 996.3370142514.

The spelling of 989051246 in words is "nine hundred eighty-nine million, fifty-one thousand, two hundred forty-six".