38140901 has 4 divisors (see below), whose sum is σ = 38299404. Its totient is φ = 37982400.

The previous prime is 38140873. The next prime is 38140903. The reversal of 38140901 is 10904183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10904183 = 67 ⋅162749.

It can be written as a sum of positive squares in 2 ways, for example, as 32376100 + 5764801 = 5690^2 + 2401^2 .

It is a cyclic number.

It is not a de Polignac number, because 38140901 - 2¹⁰ = 38139877 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 (38140903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78890 + ... + 79371.

It is an arithmetic number, because the mean of its divisors is an integer number (9574851).

Almost surely, 2^38140901 is an apocalyptic number.

It is an amenable number.

38140901 is a deficient number, since it is larger than the sum of its proper divisors (158503).

38140901 is a wasteful number, since it uses less digits than its factorization.

38140901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158502.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 38140901 is about 6175.8320087256. The cubic root of 38140901 is about 336.6125594625.

The spelling of 38140901 in words is "thirty-eight million, one hundred forty thousand, nine hundred one".