993978702 has 40 divisors (see below), whose sum is σ = 2242251000. Its totient is φ = 329094576.

The previous prime is 993978697. The next prime is 993978883. The reversal of 993978702 is 207879399.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3549 + ... + 44727.

It is an arithmetic number, because the mean of its divisors is an integer number (56056275).

Almost surely, 2^993978702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 993978702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121125500).

993978702 is an abundant number, since it is smaller than the sum of its proper divisors (1248272298).

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

993978702 is a wasteful number, since it uses less digits than its factorization.

993978702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41342 (or 41333 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The square root of 993978702 is about 31527.4277732897. The cubic root of 993978702 is about 997.9888586888.

The spelling of 993978702 in words is "nine hundred ninety-three million, nine hundred seventy-eight thousand, seven hundred two".