38977453 has 2 divisors, whose sum is σ = 38977454. Its totient is φ = 38977452.

The previous prime is 38977439. The next prime is 38977457. The reversal of 38977453 is 35477983.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38900169 + 77284 = 6237^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 38977453 - 2¹³ = 38969261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38977457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19488726 + 19488727.

It is an arithmetic number, because the mean of its divisors is an integer number (19488727).

Almost surely, 2^38977453 is an apocalyptic number.

It is an amenable number.

38977453 is a deficient number, since it is larger than the sum of its proper divisors (1).

38977453 is an equidigital number, since it uses as much as digits as its factorization.

38977453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The square root of 38977453 is about 6243.1925326711. The cubic root of 38977453 is about 339.0557798706.

The spelling of 38977453 in words is "thirty-eight million, nine hundred seventy-seven thousand, four hundred fifty-three".