998073037 has 4 divisors (see below), whose sum is σ = 1074847900. Its totient is φ = 921298176.

The previous prime is 998073007. The next prime is 998073053. The reversal of 998073037 is 730370899.

It is the 12898-th star number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 670499236 + 327573801 = 25894^2 + 18099^2 .

It is a cyclic number.

It is not a de Polignac number, because 998073037 - 2⁷ = 998072909 is a prime.

It is a super-2 number, since 2×998073037² = 1992299574372806738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998073007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38387412 + ... + 38387437.

It is an arithmetic number, because the mean of its divisors is an integer number (268711975).

Almost surely, 2^998073037 is an apocalyptic number.

It is an amenable number.

998073037 is a deficient number, since it is larger than the sum of its proper divisors (76774863).

998073037 is a wasteful number, since it uses less digits than its factorization.

998073037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76774862.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 998073037 is about 31592.2939496327. The cubic root of 998073037 is about 999.3572659815.

The spelling of 998073037 in words is "nine hundred ninety-eight million, seventy-three thousand, thirty-seven".