982381398 has 8 divisors (see below), whose sum is σ = 1964762808. Its totient is φ = 327460464.

The previous prime is 982381381. The next prime is 982381417. The reversal of 982381398 is 893183289.

It is a sphenic number, since it is the product of 3 distinct primes.

982381398 is an admirable number.

It is a super-2 number, since 2×982381398² = 1930146422272868808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 982381398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81865111 + ... + 81865122.

It is an arithmetic number, because the mean of its divisors is an integer number (245595351).

Almost surely, 2^982381398 is an apocalyptic number.

982381398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

982381398 is a wasteful number, since it uses less digits than its factorization.

982381398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163730238.

The product of its digits is 746496, while the sum is 51.

The square root of 982381398 is about 31342.9640908450. The cubic root of 982381398 is about 994.0923004811.

The spelling of 982381398 in words is "nine hundred eighty-two million, three hundred eighty-one thousand, three hundred ninety-eight".