38402669 has 2 divisors, whose sum is σ = 38402670. Its totient is φ = 38402668.

The previous prime is 38402659. The next prime is 38402681. The reversal of 38402669 is 96620483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22705225 + 15697444 = 4765^2 + 3962^2 .

It is a cyclic number.

It is not a de Polignac number, because 38402669 - 2⁴ = 38402653 is a prime.

It is a super-2 number, since 2×38402669² = 2949529972647122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38402659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19201334 + 19201335.

It is an arithmetic number, because the mean of its divisors is an integer number (19201335).

Almost surely, 2^38402669 is an apocalyptic number.

It is an amenable number.

38402669 is a deficient number, since it is larger than the sum of its proper divisors (1).

38402669 is an equidigital number, since it uses as much as digits as its factorization.

38402669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 38402669 is about 6196.9887042014. The cubic root of 38402669 is about 337.3808823347.

The spelling of 38402669 in words is "thirty-eight million, four hundred two thousand, six hundred sixty-nine".