789807946 has 4 divisors (see below), whose sum is σ = 1184711922. Its totient is φ = 394903972.

The previous prime is 789807943. The next prime is 789807959. The reversal of 789807946 is 649708987.

It is a happy number.

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., 765905625 + 23902321 = 27675^2 + 4889^2 .

It is not an unprimeable number, because it can be changed into a prime (789807943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197451985 + ... + 197451988.

Almost surely, 2^789807946 is an apocalyptic number.

789807946 is a deficient number, since it is larger than the sum of its proper divisors (394903976).

789807946 is a wasteful number, since it uses less digits than its factorization.

789807946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394903975.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The square root of 789807946 is about 28103.5219501044. The cubic root of 789807946 is about 924.3586285843.

The spelling of 789807946 in words is "seven hundred eighty-nine million, eight hundred seven thousand, nine hundred forty-six".