38345634 has 24 divisors (see below), whose sum is σ = 84492720. Its totient is φ = 12564888.

The previous prime is 38345633. The next prime is 38345683. The reversal of 38345634 is 43654383.

38345634 = 777² + 778² + ... + 835².

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38345633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16992 + ... + 19115.

It is an arithmetic number, because the mean of its divisors is an integer number (3520530).

Almost surely, 2^38345634 is an apocalyptic number.

38345634 is an abundant number, since it is smaller than the sum of its proper divisors (46147086).

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

38345634 is a wasteful number, since it uses less digits than its factorization.

38345634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36174 (or 36171 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 38345634 is about 6192.3851624394. The cubic root of 38345634 is about 337.2137754364.

The spelling of 38345634 in words is "thirty-eight million, three hundred forty-five thousand, six hundred thirty-four".