38041920 has 448 divisors, whose sum is σ = 166786560. Its totient is φ = 7962624.

The previous prime is 38041919. The next prime is 38041943. The reversal of 38041920 is 2914083.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1028142 + ... + 1028178.

Almost surely, 2^38041920 is an apocalyptic number.

38041920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38041920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83393280).

38041920 is an abundant number, since it is smaller than the sum of its proper divisors (128744640).

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

38041920 is a wasteful number, since it uses less digits than its factorization.

38041920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 38041920 is about 6167.8132267441. The cubic root of 38041920 is about 336.3211215717.

The spelling of 38041920 in words is "thirty-eight million, forty-one thousand, nine hundred twenty".