4387990698 has 192 divisors, whose sum is σ = 12174624000. Its totient is φ = 1147011840.

The previous prime is 4387990627. The next prime is 4387990721. The reversal of 4387990698 is 8960997834.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9518188 + ... + 9518648.

It is an arithmetic number, because the mean of its divisors is an integer number (63409500).

Almost surely, 2^4387990698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4387990698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6087312000).

4387990698 is an abundant number, since it is smaller than the sum of its proper divisors (7786633302).

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

4387990698 is a wasteful number, since it uses less digits than its factorization.

4387990698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The square root of 4387990698 is about 66241.9104344070. The cubic root of 4387990698 is about 1637.1503530066.

The spelling of 4387990698 in words is "four billion, three hundred eighty-seven million, nine hundred ninety thousand, six hundred ninety-eight".