38400734 has 8 divisors (see below), whose sum is σ = 57874728. Its totient is φ = 19109160.

The previous prime is 38400679. The next prime is 38400737. The reversal of 38400734 is 43700483.

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

It is a junction number, because it is equal to n+sod(n) for n = 38400697 and 38400706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38400737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45077 + ... + 45920.

It is an arithmetic number, because the mean of its divisors is an integer number (7234341).

Almost surely, 2^38400734 is an apocalyptic number.

38400734 is a deficient number, since it is larger than the sum of its proper divisors (19473994).

38400734 is a wasteful number, since it uses less digits than its factorization.

38400734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91210.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 38400734 is about 6196.8325780192. The cubic root of 38400734 is about 337.3752156889.

The spelling of 38400734 in words is "thirty-eight million, four hundred thousand, seven hundred thirty-four".