38855340 has 36 divisors (see below), whose sum is σ = 117861744. Its totient is φ = 10361376.

The previous prime is 38855329. The next prime is 38855419. The reversal of 38855340 is 4355883.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 38855295 and 38855304.

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 11 ways as a sum of consecutive naturals, for example, 107752 + ... + 108111.

Almost surely, 2^38855340 is an apocalyptic number.

38855340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38855340 is an abundant number, since it is smaller than the sum of its proper divisors (79006404).

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

38855340 is a wasteful number, since it uses less digits than its factorization.

38855340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215878 (or 215873 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 38855340 is about 6233.4051689265. The cubic root of 38855340 is about 338.7013319515.

The spelling of 38855340 in words is "thirty-eight million, eight hundred fifty-five thousand, three hundred forty".