38142592 has 16 divisors (see below), whose sum is σ = 75987450. Its totient is φ = 19071232.

The previous prime is 38142571. The next prime is 38142593. The reversal of 38142592 is 29524183.

It can be written as a sum of positive squares in only one way, i.e., 23580736 + 14561856 = 4856^2 + 3816^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (38142593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148867 + ... + 149122.

Almost surely, 2^38142592 is an apocalyptic number.

38142592 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38142592 is a deficient number, since it is larger than the sum of its proper divisors (37844858).

38142592 is an equidigital number, since it uses as much as digits as its factorization.

38142592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298003 (or 297991 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 38142592 is about 6175.9689118389. The cubic root of 38142592 is about 336.6175340297.

The spelling of 38142592 in words is "thirty-eight million, one hundred forty-two thousand, five hundred ninety-two".