38345970 has 32 divisors (see below), whose sum is σ = 99110592. Its totient is φ = 9438912.

The previous prime is 38345959. The next prime is 38346013. The reversal of 38345970 is 7954383.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48772 + ... + 49551.

It is an arithmetic number, because the mean of its divisors is an integer number (3097206).

Almost surely, 2^38345970 is an apocalyptic number.

38345970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38345970 is an abundant number, since it is smaller than the sum of its proper divisors (60764622).

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

38345970 is a wasteful number, since it uses less digits than its factorization.

38345970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98346.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 38345970 is about 6192.4122924754. The cubic root of 38345970 is about 337.2147603681.

The spelling of 38345970 in words is "thirty-eight million, three hundred forty-five thousand, nine hundred seventy".