38620047 has 8 divisors (see below), whose sum is σ = 51632944. Its totient is φ = 25676928.

The previous prime is 38620031. The next prime is 38620051. The reversal of 38620047 is 74002683.

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

It is not a de Polignac number, because 38620047 - 2⁴ = 38620031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38619996 and 38620023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38620007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16138 + ... + 18375.

It is an arithmetic number, because the mean of its divisors is an integer number (6454118).

Almost surely, 2^38620047 is an apocalyptic number.

38620047 is a deficient number, since it is larger than the sum of its proper divisors (13012897).

38620047 is a wasteful number, since it uses less digits than its factorization.

38620047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34889.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 38620047 is about 6214.5029567939. The cubic root of 38620047 is about 338.0162655711.

The spelling of 38620047 in words is "thirty-eight million, six hundred twenty thousand, forty-seven".