10387738 has 4 divisors (see below), whose sum is σ = 15581610. Its totient is φ = 5193868.

The previous prime is 10387723. The next prime is 10387739. The reversal of 10387738 is 83778301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10387729 + 9 = 3223^2 + 3^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10387697 and 10387706.

It is not an unprimeable number, because it can be changed into a prime (10387739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2596933 + ... + 2596936.

Almost surely, 2^10387738 is an apocalyptic number.

10387738 is a deficient number, since it is larger than the sum of its proper divisors (5193872).

10387738 is an equidigital number, since it uses as much as digits as its factorization.

10387738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193871.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 10387738 is about 3223.0013962144. The cubic root of 10387738 is about 218.1927565960.

The spelling of 10387738 in words is "ten million, three hundred eighty-seven thousand, seven hundred thirty-eight".