918330049 has 32 divisors (see below), whose sum is σ = 1154048000. Its totient is φ = 711457344.

The previous prime is 918330031. The next prime is 918330053. The reversal of 918330049 is 940033819.

It is a Cunningham number, because it is equal to 972³+1.

It is not a de Polignac number, because 918330049 - 2¹³ = 918321857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (918330029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 998812 + ... + 999730.

It is an arithmetic number, because the mean of its divisors is an integer number (36064000).

Almost surely, 2^918330049 is an apocalyptic number.

It is an amenable number.

918330049 is a deficient number, since it is larger than the sum of its proper divisors (235717951).

918330049 is a wasteful number, since it uses less digits than its factorization.

918330049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 918330049 is about 30303.9609457246. The cubic root of 918330049 is about 972.0000003528. Note that the first 6 decimals are identical.

The spelling of 918330049 in words is "nine hundred eighteen million, three hundred thirty thousand, forty-nine".