38009895 has 32 divisors (see below), whose sum is σ = 75824640. Its totient is φ = 15795840.

The previous prime is 38009879. The next prime is 38009897. The reversal of 38009895 is 59890083.

It is not a de Polignac number, because 38009895 - 2⁴ = 38009879 is a prime.

It is a super-2 number, since 2×38009895² = 2889504235822050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38009897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15300 + ... + 17609.

It is an arithmetic number, because the mean of its divisors is an integer number (2369520).

Almost surely, 2^38009895 is an apocalyptic number.

38009895 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38009895 is a deficient number, since it is larger than the sum of its proper divisors (37814745).

38009895 is a wasteful number, since it uses less digits than its factorization.

38009895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32935.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 38009895 is about 6165.2165412092. The cubic root of 38009895 is about 336.2267195041.

It can be divided in two parts, 3800 and 9895, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 38009895 in words is "thirty-eight million, nine thousand, eight hundred ninety-five".