10640354 has 8 divisors (see below), whose sum is σ = 15999708. Its totient is φ = 5307120.

The previous prime is 10640353. The next prime is 10640359. The reversal of 10640354 is 45304601.

It is a happy number.

10640354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7317025 + 3323329 = 2705^2 + 1823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10640354² = 226434266490632, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10640353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5477 + ... + 7160.

Almost surely, 2^10640354 is an apocalyptic number.

10640354 is a deficient number, since it is larger than the sum of its proper divisors (5359354).

10640354 is a wasteful number, since it uses less digits than its factorization.

10640354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13060.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 10640354 is about 3261.9555484402. The cubic root of 10640354 is about 219.9473289886.

Adding to 10640354 its reverse (45304601), we get a palindrome (55944955).

The spelling of 10640354 in words is "ten million, six hundred forty thousand, three hundred fifty-four".