890749946 has 8 divisors (see below), whose sum is σ = 1336255284. Its totient is φ = 445331520.

The previous prime is 890749931. The next prime is 890749949. The reversal of 890749946 is 649947098.

It can be written as a sum of positive squares in 2 ways, for example, as 890724025 + 25921 = 29845^2 + 161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 890749891 and 890749900.

It is not an unprimeable number, because it can be changed into a prime (890749949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19676 + ... + 46568.

Almost surely, 2^890749946 is an apocalyptic number.

890749946 is a deficient number, since it is larger than the sum of its proper divisors (445505338).

890749946 is a wasteful number, since it uses less digits than its factorization.

890749946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43456.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 890749946 is about 29845.4342571858. The cubic root of 890749946 is about 962.1702729795.

The spelling of 890749946 in words is "eight hundred ninety million, seven hundred forty-nine thousand, nine hundred forty-six".