973849642 has 4 divisors (see below), whose sum is σ = 1460774466. Its totient is φ = 486924820.

The previous prime is 973849633. The next prime is 973849649. The reversal of 973849642 is 246948379.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246948379 = 7393 ⋅33403.

It can be written as a sum of positive squares in only one way, i.e., 853749961 + 120099681 = 29219^2 + 10959^2 .

It is a super-3 number, since 3×973849642³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 973849642.

It is not an unprimeable number, because it can be changed into a prime (973849649) 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 as a sum of consecutive naturals, namely, 243462409 + ... + 243462412.

Almost surely, 2^973849642 is an apocalyptic number.

973849642 is a deficient number, since it is larger than the sum of its proper divisors (486924824).

973849642 is a wasteful number, since it uses less digits than its factorization.

973849642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486924823.

The product of its digits is 2612736, while the sum is 52.

The square root of 973849642 is about 31206.5640851408. The cubic root of 973849642 is about 991.2061081508.

The spelling of 973849642 in words is "nine hundred seventy-three million, eight hundred forty-nine thousand, six hundred forty-two".