949399786 has 4 divisors (see below), whose sum is σ = 1424099682. Its totient is φ = 474699892.

The previous prime is 949399783. The next prime is 949399817. The reversal of 949399786 is 687993949.

949399786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 502880625 + 446519161 = 22425^2 + 21131^2 .

It is not an unprimeable number, because it can be changed into a prime (949399783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237349945 + ... + 237349948.

Almost surely, 2^949399786 is an apocalyptic number.

949399786 is a deficient number, since it is larger than the sum of its proper divisors (474699896).

949399786 is a wasteful number, since it uses less digits than its factorization.

949399786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474699895.

The product of its digits is 26453952, while the sum is 64.

The square root of 949399786 is about 30812.3317196216. The cubic root of 949399786 is about 982.8404976767.

The spelling of 949399786 in words is "nine hundred forty-nine million, three hundred ninety-nine thousand, seven hundred eighty-six".