787994 has 4 divisors (see below), whose sum is σ = 1181994. Its totient is φ = 393996.

The previous prime is 787993. The next prime is 787999. The reversal of 787994 is 499787.

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., 786769 + 1225 = 887^2 + 35^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 787994.

It is not an unprimeable number, because it can be changed into a prime (787993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196997 + ... + 197000.

2⁷⁸⁷⁹⁹⁴ is an apocalyptic number.

787994 is a deficient number, since it is larger than the sum of its proper divisors (394000).

787994 is a wasteful number, since it uses less digits than its factorization.

787994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393999.

The product of its digits is 127008, while the sum is 44.

The square root of 787994 is about 887.6902612961. The cubic root of 787994 is about 92.3650430287.

The spelling of 787994 in words is "seven hundred eighty-seven thousand, nine hundred ninety-four".