38720853 has 6 divisors (see below), whose sum is σ = 55930134. Its totient is φ = 25813896.

The previous prime is 38720837. The next prime is 38720873. The reversal of 38720853 is 35802783.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 7569 = 6222^2 + 87^2 .

It is not a de Polignac number, because 38720853 - 2⁴ = 38720837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38720873) 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, 2151150 + ... + 2151167.

It is an arithmetic number, because the mean of its divisors is an integer number (9321689).

Almost surely, 2^38720853 is an apocalyptic number.

It is an amenable number.

38720853 is a deficient number, since it is larger than the sum of its proper divisors (17209281).

38720853 is a wasteful number, since it uses less digits than its factorization.

38720853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302323 (or 4302320 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 38720853 is about 6222.6082152101. The cubic root of 38720853 is about 338.3101066073.

The spelling of 38720853 in words is "thirty-eight million, seven hundred twenty thousand, eight hundred fifty-three".