38981746 has 4 divisors (see below), whose sum is σ = 58472622. Its totient is φ = 19490872.

The previous prime is 38981737. The next prime is 38981759. The reversal of 38981746 is 64718983.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 36469521 + 2512225 = 6039^2 + 1585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38981696 and 38981705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9745435 + ... + 9745438.

Almost surely, 2^38981746 is an apocalyptic number.

38981746 is a deficient number, since it is larger than the sum of its proper divisors (19490876).

38981746 is a wasteful number, since it uses less digits than its factorization.

38981746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19490875.

The product of its digits is 290304, while the sum is 46.

The square root of 38981746 is about 6243.5363376856. The cubic root of 38981746 is about 339.0682273492.

The spelling of 38981746 in words is "thirty-eight million, nine hundred eighty-one thousand, seven hundred forty-six".