38298427 has 4 divisors (see below), whose sum is σ = 39963600. Its totient is φ = 36633256.

The previous prime is 38298409. The next prime is 38298431. The reversal of 38298427 is 72489283.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38298427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38298437) 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, 832552 + ... + 832597.

It is an arithmetic number, because the mean of its divisors is an integer number (9990900).

Almost surely, 2^38298427 is an apocalyptic number.

38298427 is a deficient number, since it is larger than the sum of its proper divisors (1665173).

38298427 is a wasteful number, since it uses less digits than its factorization.

38298427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665172.

The product of its digits is 193536, while the sum is 43.

The square root of 38298427 is about 6188.5722909246. The cubic root of 38298427 is about 337.0753382270.

It can be divided in two parts, 3829842 and 7, that added together give a square (3829849 = 1957²).

The spelling of 38298427 in words is "thirty-eight million, two hundred ninety-eight thousand, four hundred twenty-seven".