38693394 has 48 divisors (see below), whose sum is σ = 91653120. Its totient is φ = 11744640.

The previous prime is 38693387. The next prime is 38693423. The reversal of 38693394 is 49339683.

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 in 23 ways as a sum of consecutive naturals, for example, 7447 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (1909440).

Almost surely, 2^38693394 is an apocalyptic number.

38693394 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38693394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45826560).

38693394 is an abundant number, since it is smaller than the sum of its proper divisors (52959726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38693394 is a wasteful number, since it uses less digits than its factorization.

38693394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135 (or 4132 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 38693394 is about 6220.4014339912. The cubic root of 38693394 is about 338.2301165134.

The spelling of 38693394 in words is "thirty-eight million, six hundred ninety-three thousand, three hundred ninety-four".