38497142 has 4 divisors (see below), whose sum is σ = 57745716. Its totient is φ = 19248570.

The previous prime is 38497139. The next prime is 38497153. The reversal of 38497142 is 24179483.

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

It is a zygodrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 38497096 and 38497105.

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, 9624284 + ... + 9624287.

It is an arithmetic number, because the mean of its divisors is an integer number (14436429).

Almost surely, 2^38497142 is an apocalyptic number.

38497142 is a deficient number, since it is larger than the sum of its proper divisors (19248574).

38497142 is a wasteful number, since it uses less digits than its factorization.

38497142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19248573.

The product of its digits is 48384, while the sum is 38.

The square root of 38497142 is about 6204.6065145181. The cubic root of 38497142 is about 337.6573152298.

The spelling of 38497142 in words is "thirty-eight million, four hundred ninety-seven thousand, one hundred forty-two".