786946 has 4 divisors (see below), whose sum is σ = 1180422. Its totient is φ = 393472.

The previous prime is 786941. The next prime is 786949. The reversal of 786946 is 649687.

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., 783225 + 3721 = 885^2 + 61^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 786899 and 786908.

It is not an unprimeable number, because it can be changed into a prime (786941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196735 + ... + 196738.

2⁷⁸⁶⁹⁴⁶ is an apocalyptic number.

786946 is a deficient number, since it is larger than the sum of its proper divisors (393476).

786946 is a wasteful number, since it uses less digits than its factorization.

786946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393475.

The product of its digits is 72576, while the sum is 40.

The square root of 786946 is about 887.0997689099. The cubic root of 786946 is about 92.3240776113.

The spelling of 786946 in words is "seven hundred eighty-six thousand, nine hundred forty-six".