38289492 has 18 divisors (see below), whose sum is σ = 96787418. Its totient is φ = 12763152.

The previous prime is 38289481. The next prime is 38289497. The reversal of 38289492 is 29498283.

38289492 is a `hidden beast` number, since 3 + 82 + 89 + 492 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34152336 + 4137156 = 5844^2 + 2034^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38289497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 531763 + ... + 531834.

Almost surely, 2^38289492 is an apocalyptic number.

It is an amenable number.

38289492 is an abundant number, since it is smaller than the sum of its proper divisors (58497926).

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

38289492 is a wasteful number, since it uses less digits than its factorization.

38289492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063607 (or 1063602 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 38289492 is about 6187.8503537174. The cubic root of 38289492 is about 337.0491230302.

It can be divided in two parts, 38289 and 492, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 38289492 in words is "thirty-eight million, two hundred eighty-nine thousand, four hundred ninety-two".