38955397 has 8 divisors (see below), whose sum is σ = 42368760. Its totient is φ = 35601600.

The previous prime is 38955391. The next prime is 38955403. The reversal of 38955397 is 79355983.

It is an interprime number because it is at equal distance from previous prime (38955391) and next prime (38955403).

It can be written as a sum of positive squares in 4 ways, for example, as 1083681 + 37871716 = 1041^2 + 6154^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38955397 - 2⁷ = 38955269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38955397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38955391) 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 7 ways as a sum of consecutive naturals, for example, 13522 + ... + 16147.

It is an arithmetic number, because the mean of its divisors is an integer number (5296095).

Almost surely, 2^38955397 is an apocalyptic number.

It is an amenable number.

38955397 is a deficient number, since it is larger than the sum of its proper divisors (3413363).

38955397 is a wasteful number, since it uses less digits than its factorization.

38955397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29783.

The product of its digits is 1020600, while the sum is 49.

The square root of 38955397 is about 6241.4258787556. The cubic root of 38955397 is about 338.9918144692.

The spelling of 38955397 in words is "thirty-eight million, nine hundred fifty-five thousand, three hundred ninety-seven".