10897740 has 180 divisors, whose sum is σ = 40371408. Its totient is φ = 2410560.

The previous prime is 10897727. The next prime is 10897741. The reversal of 10897740 is 4779801.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 10897695 and 10897704.

It is not an unprimeable number, because it can be changed into a prime (10897741) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 351525 + ... + 351555.

Almost surely, 2^10897740 is an apocalyptic number.

10897740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10897740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20185704).

10897740 is an abundant number, since it is smaller than the sum of its proper divisors (29473668).

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

10897740 is a wasteful number, since it uses less digits than its factorization.

10897740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 10897740 is about 3301.1725189696. The cubic root of 10897740 is about 221.7066981301.

The spelling of 10897740 in words is "ten million, eight hundred ninety-seven thousand, seven hundred forty".