9890374662 has 24 divisors (see below), whose sum is σ = 24490451856. Its totient is φ = 2825821296.

The previous prime is 9890374657. The next prime is 9890374673. The reversal of 9890374662 is 2664730989.

It is a happy number.

9890374662 is a `hidden beast` number, since 98 + 90 + 3 + 7 + 466 + 2 = 666.

It is a super-2 number, since 2×9890374662² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9890374599 and 9890374608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39247393 + ... + 39247644.

It is an arithmetic number, because the mean of its divisors is an integer number (1020435494).

Almost surely, 2^9890374662 is an apocalyptic number.

9890374662 is an abundant number, since it is smaller than the sum of its proper divisors (14600077194).

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

9890374662 is a wasteful number, since it uses less digits than its factorization.

9890374662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78495052 (or 78495049 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 9890374662 is about 99450.3628047681. The cubic root of 9890374662 is about 2146.5330576293.

The spelling of 9890374662 in words is "nine billion, eight hundred ninety million, three hundred seventy-four thousand, six hundred sixty-two".