10234640 has 60 divisors (see below), whose sum is σ = 25800804. Its totient is φ = 3773952.

The previous prime is 10234639. The next prime is 10234649. The reversal of 10234640 is 4643201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1567504 + 8667136 = 1252^2 + 2944^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (10234649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13142 + ... + 13898.

Almost surely, 2^10234640 is an apocalyptic number.

10234640 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 10234640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12900402).

10234640 is an abundant number, since it is smaller than the sum of its proper divisors (15566164).

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

10234640 is a wasteful number, since it uses less digits than its factorization.

10234640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 10234640 is about 3199.1623903766. The cubic root of 10234640 is about 217.1155139690.

Adding to 10234640 its reverse (4643201), we get a palindrome (14877841).

The spelling of 10234640 in words is "ten million, two hundred thirty-four thousand, six hundred forty".