38720495 has 8 divisors (see below), whose sum is σ = 50688720. Its totient is φ = 28160320.

The previous prime is 38720491. The next prime is 38720497. The reversal of 38720495 is 59402783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38720495 - 2² = 38720491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38720491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351950 + ... + 352059.

It is an arithmetic number, because the mean of its divisors is an integer number (6336090).

Almost surely, 2^38720495 is an apocalyptic number.

38720495 is a deficient number, since it is larger than the sum of its proper divisors (11968225).

38720495 is a wasteful number, since it uses less digits than its factorization.

38720495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704025.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 38720495 is about 6222.5794490709. The cubic root of 38720495 is about 338.3090639703.

The spelling of 38720495 in words is "thirty-eight million, seven hundred twenty thousand, four hundred ninety-five".