890740747 has 8 divisors (see below), whose sum is σ = 970038720. Its totient is φ = 812982720.

The previous prime is 890740733. The next prime is 890740751. The reversal of 890740747 is 747047098.

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

It is a cyclic number.

It is not a de Polignac number, because 890740747 - 2¹¹ = 890738699 is a prime.

It is a super-2 number, since 2×890740747² = 1586838156732236018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 890740697 and 890740706.

It is not an unprimeable number, because it can be changed into a prime (890740777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383779 + ... + 386092.

It is an arithmetic number, because the mean of its divisors is an integer number (121254840).

Almost surely, 2^890740747 is an apocalyptic number.

890740747 is a deficient number, since it is larger than the sum of its proper divisors (79297973).

890740747 is a wasteful number, since it uses less digits than its factorization.

890740747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769973.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 890740747 is about 29845.2801461136. The cubic root of 890740747 is about 962.1669607761.

The spelling of 890740747 in words is "eight hundred ninety million, seven hundred forty thousand, seven hundred forty-seven".