38940453 has 16 divisors (see below), whose sum is σ = 57802240. Its totient is φ = 25909632.

The previous prime is 38940439. The next prime is 38940457. The reversal of 38940453 is 35404983.

It is not a de Polignac number, because 38940453 - 2⁶ = 38940389 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 (38940457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17100 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (3612640).

Almost surely, 2^38940453 is an apocalyptic number.

It is an amenable number.

38940453 is a deficient number, since it is larger than the sum of its proper divisors (18861787).

38940453 is a wasteful number, since it uses less digits than its factorization.

38940453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2819 counting only the distinct ones).

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

The square root of 38940453 is about 6240.2286015818. The cubic root of 38940453 is about 338.9484611131.

It can be divided in two parts, 38940 and 453, that added together give a palindrome (39393).

The spelling of 38940453 in words is "thirty-eight million, nine hundred forty thousand, four hundred fifty-three".