947443998 has 16 divisors (see below), whose sum is σ = 1918874880. Its totient is φ = 311816856.

The previous prime is 947443997. The next prime is 947443999. The reversal of 947443998 is 899344749.

It is an interprime number because it is at equal distance from previous prime (947443997) and next prime (947443999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947443993) 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, 998940 + ... + 999887.

It is an arithmetic number, because the mean of its divisors is an integer number (119929680).

Almost surely, 2^947443998 is an apocalyptic number.

947443998 is an abundant number, since it is smaller than the sum of its proper divisors (971430882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947443998 is a wasteful number, since it uses less digits than its factorization.

947443998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998911.

The product of its digits is 7838208, while the sum is 57.

The square root of 947443998 is about 30780.5782596754. The cubic root of 947443998 is about 982.1651414715.

The spelling of 947443998 in words is "nine hundred forty-seven million, four hundred forty-three thousand, nine hundred ninety-eight".