38340870 has 16 divisors (see below), whose sum is σ = 92018160. Its totient is φ = 10224224.

The previous prime is 38340853. The next prime is 38340877. The reversal of 38340870 is 7804383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38340877) 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, 638985 + ... + 639044.

It is an arithmetic number, because the mean of its divisors is an integer number (5751135).

Almost surely, 2^38340870 is an apocalyptic number.

38340870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38340870 is an abundant number, since it is smaller than the sum of its proper divisors (53677290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38340870 is a wasteful number, since it uses less digits than its factorization.

38340870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278039.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 38340870 is about 6192.0004844961. Note that the first 3 decimals coincide. The cubic root of 38340870 is about 337.1998098920.

The spelling of 38340870 in words is "thirty-eight million, three hundred forty thousand, eight hundred seventy".