10207994 has 4 divisors (see below), whose sum is σ = 15311994. Its totient is φ = 5103996.

The previous prime is 10207993. The next prime is 10207999. The reversal of 10207994 is 49970201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49970201 = 463 ⋅107927.

It can be written as a sum of positive squares in only one way, i.e., 9891025 + 316969 = 3145^2 + 563^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10207994.

It is not an unprimeable number, because it can be changed into a prime (10207991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551997 + ... + 2552000.

Almost surely, 2^10207994 is an apocalyptic number.

10207994 is a deficient number, since it is larger than the sum of its proper divisors (5104000).

10207994 is an equidigital number, since it uses as much as digits as its factorization.

10207994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103999.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 10207994 is about 3194.9951486661. The cubic root of 10207994 is about 216.9269293217.

The spelling of 10207994 in words is "ten million, two hundred seven thousand, nine hundred ninety-four".