38469905 has 8 divisors (see below), whose sum is σ = 46796712. Its totient is φ = 30354048.

The previous prime is 38469901. The next prime is 38469913. The reversal of 38469905 is 50996483.

It can be written as a sum of positive squares in 4 ways, for example, as 1697809 + 36772096 = 1303^2 + 6064^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38469905 - 2² = 38469901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38469901) 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, 52334 + ... + 53063.

It is an arithmetic number, because the mean of its divisors is an integer number (5849589).

Almost surely, 2^38469905 is an apocalyptic number.

It is an amenable number.

38469905 is a deficient number, since it is larger than the sum of its proper divisors (8326807).

38469905 is a wasteful number, since it uses less digits than its factorization.

38469905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105475.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 38469905 is about 6202.4112246771. The cubic root of 38469905 is about 337.5776647969.

The spelling of 38469905 in words is "thirty-eight million, four hundred sixty-nine thousand, nine hundred five".