38690070 has 48 divisors (see below), whose sum is σ = 94612752. Its totient is φ = 10124800.

The previous prime is 38690039. The next prime is 38690081. The reversal of 38690070 is 7009683.

It is a happy number.

38690070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342334 + ... + 342446.

It is an arithmetic number, because the mean of its divisors is an integer number (1971099).

Almost surely, 2^38690070 is an apocalyptic number.

38690070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38690070 is an abundant number, since it is smaller than the sum of its proper divisors (55922682).

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

38690070 is a wasteful number, since it uses less digits than its factorization.

38690070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 38690070 is about 6220.1342429243. The cubic root of 38690070 is about 338.2204308884.

The spelling of 38690070 in words is "thirty-eight million, six hundred ninety thousand, seventy".