973248638 has 4 divisors (see below), whose sum is σ = 1459872960. Its totient is φ = 486624318.

The previous prime is 973248607. The next prime is 973248659. The reversal of 973248638 is 836842379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 836842379 = 47 ⋅17805157.

It is a super-2 number, since 2×973248638² = 1894425822737710088, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243312158 + ... + 243312161.

It is an arithmetic number, because the mean of its divisors is an integer number (364968240).

Almost surely, 2^973248638 is an apocalyptic number.

973248638 is a deficient number, since it is larger than the sum of its proper divisors (486624322).

973248638 is a wasteful number, since it uses less digits than its factorization.

973248638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486624321.

The product of its digits is 1741824, while the sum is 50.

The square root of 973248638 is about 31196.9331505518. The cubic root of 973248638 is about 991.0021610526.

The spelling of 973248638 in words is "nine hundred seventy-three million, two hundred forty-eight thousand, six hundred thirty-eight".