38406345 has 16 divisors (see below), whose sum is σ = 62493120. Its totient is φ = 20135744.

The previous prime is 38406317. The next prime is 38406373. The reversal of 38406345 is 54360483.

It is an interprime number because it is at equal distance from previous prime (38406317) and next prime (38406373).

It is a cyclic number.

It is not a de Polignac number, because 38406345 - 2¹³ = 38398153 is a prime.

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, 20814 + ... + 22583.

It is an arithmetic number, because the mean of its divisors is an integer number (3905820).

Almost surely, 2^38406345 is an apocalyptic number.

It is an amenable number.

38406345 is a deficient number, since it is larger than the sum of its proper divisors (24086775).

38406345 is a wasteful number, since it uses less digits than its factorization.

38406345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43464.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 38406345 is about 6197.2852927713. The cubic root of 38406345 is about 337.3916469732.

The spelling of 38406345 in words is "thirty-eight million, four hundred six thousand, three hundred forty-five".