9740891238 has 32 divisors (see below), whose sum is σ = 21657172992. Its totient is φ = 2900512800.

The previous prime is 9740891219. The next prime is 9740891243. The reversal of 9740891238 is 8321980479.

It is a super-2 number, since 2×9740891238² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2011828 + ... + 2016663.

It is an arithmetic number, because the mean of its divisors is an integer number (676786656).

Almost surely, 2^9740891238 is an apocalyptic number.

9740891238 is an abundant number, since it is smaller than the sum of its proper divisors (11916281754).

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

9740891238 is a wasteful number, since it uses less digits than its factorization.

9740891238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028540.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 9740891238 is about 98695.9535036771. The cubic root of 9740891238 is about 2135.6638578231.

The spelling of 9740891238 in words is "nine billion, seven hundred forty million, eight hundred ninety-one thousand, two hundred thirty-eight".