38409453 has 12 divisors (see below), whose sum is σ = 55881280. Its totient is φ = 25421256.

The previous prime is 38409419. The next prime is 38409473. The reversal of 38409453 is 35490483.

It is not a de Polignac number, because 38409453 - 2⁶ = 38409389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38409473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14101 + ... + 16602.

Almost surely, 2^38409453 is an apocalyptic number.

It is an amenable number.

38409453 is a deficient number, since it is larger than the sum of its proper divisors (17471827).

38409453 is a wasteful number, since it uses less digits than its factorization.

38409453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30848 (or 30845 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 38409453 is about 6197.5360426544. The cubic root of 38409453 is about 337.4007477694.

The spelling of 38409453 in words is "thirty-eight million, four hundred nine thousand, four hundred fifty-three".