973849881 has 4 divisors (see below), whose sum is σ = 1298466512. Its totient is φ = 649233252.

The previous prime is 973849871. The next prime is 973849909. The reversal of 973849881 is 188948379.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 973849881 - 2¹⁵ = 973817113 is a prime.

It is a super-2 number, since 2×973849881² = 1896767181447428322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973849801) 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, 162308311 + ... + 162308316.

It is an arithmetic number, because the mean of its divisors is an integer number (324616628).

Almost surely, 2^973849881 is an apocalyptic number.

It is an amenable number.

973849881 is a deficient number, since it is larger than the sum of its proper divisors (324616631).

973849881 is a wasteful number, since it uses less digits than its factorization.

973849881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324616630.

The product of its digits is 3483648, while the sum is 57.

The square root of 973849881 is about 31206.5679144631. The cubic root of 973849881 is about 991.2061892373.

The spelling of 973849881 in words is "nine hundred seventy-three million, eight hundred forty-nine thousand, eight hundred eighty-one".