38953563 has 32 divisors (see below), whose sum is σ = 59258112. Its totient is φ = 22550400.

The previous prime is 38953547. The next prime is 38953573. The reversal of 38953563 is 36535983.

It is not a de Polignac number, because 38953563 - 2⁴ = 38953547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38953543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74220 + ... + 74742.

It is an arithmetic number, because the mean of its divisors is an integer number (1851816).

Almost surely, 2^38953563 is an apocalyptic number.

38953563 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

38953563 is a deficient number, since it is larger than the sum of its proper divisors (20304549).

38953563 is a wasteful number, since it uses less digits than its factorization.

38953563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635.

The product of its digits is 291600, while the sum is 42.

The square root of 38953563 is about 6241.2789554706. The cubic root of 38953563 is about 338.9864945325.

The spelling of 38953563 in words is "thirty-eight million, nine hundred fifty-three thousand, five hundred sixty-three".