38531479 has 4 divisors (see below), whose sum is σ = 44035984. Its totient is φ = 33026976.

The previous prime is 38531473. The next prime is 38531489. The reversal of 38531479 is 97413583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97413583 = 1303 ⋅74761.

It is a cyclic number.

It is not a de Polignac number, because 38531479 - 2⁷ = 38531351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38531473) 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, 2752242 + ... + 2752255.

It is an arithmetic number, because the mean of its divisors is an integer number (11008996).

Almost surely, 2^38531479 is an apocalyptic number.

38531479 is a deficient number, since it is larger than the sum of its proper divisors (5504505).

38531479 is an equidigital number, since it uses as much as digits as its factorization.

38531479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504504.

The product of its digits is 90720, while the sum is 40.

The square root of 38531479 is about 6207.3729548014. The cubic root of 38531479 is about 337.7576750077.

The spelling of 38531479 in words is "thirty-eight million, five hundred thirty-one thousand, four hundred seventy-nine".