994842290 has 32 divisors (see below), whose sum is σ = 1960093296. Its totient is φ = 361301760.

The previous prime is 994842271. The next prime is 994842293. The reversal of 994842290 is 92248499.

994842290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 21464689 + 973377601 = 4633^2 + 31199^2 .

It is a super-2 number, since 2×994842290² = 1979422363944888200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (994842293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54797 + ... + 70656.

Almost surely, 2^994842290 is an apocalyptic number.

994842290 is a deficient number, since it is larger than the sum of its proper divisors (965251006).

994842290 is a wasteful number, since it uses less digits than its factorization.

994842290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125534.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 994842290 is about 31541.1206205487. The cubic root of 994842290 is about 998.2777990599.

The spelling of 994842290 in words is "nine hundred ninety-four million, eight hundred forty-two thousand, two hundred ninety".