38378292 has 12 divisors (see below), whose sum is σ = 89549376. Its totient is φ = 12792760.

The previous prime is 38378267. The next prime is 38378293. The reversal of 38378292 is 29287383.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38378293) 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, 1599084 + ... + 1599107.

It is an arithmetic number, because the mean of its divisors is an integer number (7462448).

Almost surely, 2^38378292 is an apocalyptic number.

It is an amenable number.

38378292 is an abundant number, since it is smaller than the sum of its proper divisors (51171084).

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

38378292 is a wasteful number, since it uses less digits than its factorization.

38378292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198198 (or 3198196 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 38378292 is about 6195.0215495993. The cubic root of 38378292 is about 337.3094804001.

Subtracting from 38378292 its product of digits (145152), we obtain a triangular number (38233140 = T₈₇₄₄).

Subtracting from 38378292 its reverse (29287383), we obtain a palindrome (9090909).

The spelling of 38378292 in words is "thirty-eight million, three hundred seventy-eight thousand, two hundred ninety-two".