1002056598 has 12 divisors (see below), whose sum is σ = 2171122668. Its totient is φ = 334018860.

The previous prime is 1002056519. The next prime is 1002056611. The reversal of 1002056598 is 8956502001.

It is a happy number.

1002056598 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 0 + 565 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27834888 + ... + 27834923.

It is an arithmetic number, because the mean of its divisors is an integer number (180926889).

Almost surely, 2^1002056598 is an apocalyptic number.

1002056598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1002056598 is an abundant number, since it is smaller than the sum of its proper divisors (1169066070).

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

1002056598 is a wasteful number, since it uses less digits than its factorization.

1002056598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55669819 (or 55669816 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1002056598 is about 31655.2775694670. The cubic root of 1002056598 is about 1000.6850632478.

Adding to 1002056598 its reverse (8956502001), we get a palindrome (9958558599).

The spelling of 1002056598 in words is "one billion, two million, fifty-six thousand, five hundred ninety-eight".