38910545 has 8 divisors (see below), whose sum is σ = 46980096. Its totient is φ = 30936816.

The previous prime is 38910541. The next prime is 38910551. The reversal of 38910545 is 54501983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38910545 - 2² = 38910541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38910541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23057 + ... + 24686.

It is an arithmetic number, because the mean of its divisors is an integer number (5872512).

Almost surely, 2^38910545 is an apocalyptic number.

It is an amenable number.

38910545 is a deficient number, since it is larger than the sum of its proper divisors (8069551).

38910545 is a wasteful number, since it uses less digits than its factorization.

38910545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47911.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 38910545 is about 6237.8317547045. The cubic root of 38910545 is about 338.8616630561.

The spelling of 38910545 in words is "thirty-eight million, nine hundred ten thousand, five hundred forty-five".