983398829490 has 1280 divisors, whose sum is σ = 3603405864960. Its totient is φ = 186235822080.

The previous prime is 983398829477. The next prime is 983398829513. The reversal of 983398829490 is 94928893389.

983398829490 is a `hidden beast` number, since 9 + 8 + 3 + 39 + 88 + 29 + 490 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 7743297807 + ... + 7743297933.

It is an arithmetic number, because the mean of its divisors is an integer number (2815160832).

Almost surely, 2^983398829490 is an apocalyptic number.

983398829490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 983398829490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1801702932480).

983398829490 is an abundant number, since it is smaller than the sum of its proper divisors (2620007035470).

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

983398829490 is a wasteful number, since it uses less digits than its factorization.

983398829490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 72.

The spelling of 983398829490 in words is "nine hundred eighty-three billion, three hundred ninety-eight million, eight hundred twenty-nine thousand, four hundred ninety".