38243070 has 64 divisors (see below), whose sum is σ = 102816000. Its totient is φ = 10114848.

The previous prime is 38243069. The next prime is 38243077. The reversal of 38243070 is 7034283.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38243077) 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, 37021 + ... + 38039.

It is an arithmetic number, because the mean of its divisors is an integer number (1606500).

Almost surely, 2^38243070 is an apocalyptic number.

38243070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38243070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51408000).

38243070 is an abundant number, since it is smaller than the sum of its proper divisors (64572930).

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

38243070 is a wasteful number, since it uses less digits than its factorization.

38243070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 38243070 is about 6184.0981557540. The cubic root of 38243070 is about 336.9128556883.

The spelling of 38243070 in words is "thirty-eight million, two hundred forty-three thousand, seventy".