38423497 has 6 divisors (see below), whose sum is σ = 44696778. Its totient is φ = 32934384.

The previous prime is 38423461. The next prime is 38423513. The reversal of 38423497 is 79432483.

It can be written as a sum of positive squares in only one way, i.e., 29278921 + 9144576 = 5411^2 + 3024^2 .

It is not a de Polignac number, because 38423497 - 2²³ = 30034889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38423197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 392028 + ... + 392125.

It is an arithmetic number, because the mean of its divisors is an integer number (7449463).

Almost surely, 2^38423497 is an apocalyptic number.

It is an amenable number.

38423497 is a deficient number, since it is larger than the sum of its proper divisors (6273281).

38423497 is an equidigital number, since it uses as much as digits as its factorization.

38423497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784167 (or 784160 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 38423497 is about 6198.6689700290. The cubic root of 38423497 is about 337.4418650668.

The spelling of 38423497 in words is "thirty-eight million, four hundred twenty-three thousand, four hundred ninety-seven".