10099740 has 96 divisors (see below), whose sum is σ = 32739840. Its totient is φ = 2278656.

The previous prime is 10099729. The next prime is 10099741. The reversal of 10099740 is 4799001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10099698 and 10099707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10099741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58294 + ... + 58466.

It is an arithmetic number, because the mean of its divisors is an integer number (341040).

Almost surely, 2^10099740 is an apocalyptic number.

10099740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10099740 is the 2595-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10099740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16369920).

10099740 is an abundant number, since it is smaller than the sum of its proper divisors (22640100).

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

10099740 is a wasteful number, since it uses less digits than its factorization.

10099740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 10099740 is about 3178.0088105605. The cubic root of 10099740 is about 216.1573784469.

The spelling of 10099740 in words is "ten million, ninety-nine thousand, seven hundred forty".