38540734 has 8 divisors (see below), whose sum is σ = 61211808. Its totient is φ = 18136800.

The previous prime is 38540731. The next prime is 38540743. The reversal of 38540734 is 43704583.

It is a happy number.

38540734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1133551 = 38540734 / (3 + 8 + 5 + 4 + 0 + 7 + 3 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 38540734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38540731) 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 in 3 ways as a sum of consecutive naturals, for example, 566742 + ... + 566809.

It is an arithmetic number, because the mean of its divisors is an integer number (7651476).

Almost surely, 2^38540734 is an apocalyptic number.

38540734 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

38540734 is a deficient number, since it is larger than the sum of its proper divisors (22671074).

38540734 is a wasteful number, since it uses less digits than its factorization.

38540734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133570.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 38540734 is about 6208.1183944896. The cubic root of 38540734 is about 337.7847152106.

The spelling of 38540734 in words is "thirty-eight million, five hundred forty thousand, seven hundred thirty-four".