38154997 has 2 divisors, whose sum is σ = 38154998. Its totient is φ = 38154996.

The previous prime is 38154967. The next prime is 38155027. The reversal of 38154997 is 79945183.

It is a happy number.

38154997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (38154967) and next prime (38155027).

It can be written as a sum of positive squares in only one way, i.e., 34210801 + 3944196 = 5849^2 + 1986^2 .

It is an emirp because it is prime and its reverse (79945183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38154997 - 2¹⁹ = 37630709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38154917) by changing a digit.

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 as a sum of consecutive naturals, namely, 19077498 + 19077499.

It is an arithmetic number, because the mean of its divisors is an integer number (19077499).

Almost surely, 2^38154997 is an apocalyptic number.

It is an amenable number.

38154997 is a deficient number, since it is larger than the sum of its proper divisors (1).

38154997 is an equidigital number, since it uses as much as digits as its factorization.

38154997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 38154997 is about 6176.9731260545. The cubic root of 38154997 is about 336.6540224423.

The spelling of 38154997 in words is "thirty-eight million, one hundred fifty-four thousand, nine hundred ninety-seven".