4040147 has 4 divisors (see below), whose sum is σ = 4081896. Its totient is φ = 3998400.

The previous prime is 4040129. The next prime is 4040159. The reversal of 4040147 is 7410404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4040147 - 2⁶ = 4040083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4045147) 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, 20729 + ... + 20922.

It is an arithmetic number, because the mean of its divisors is an integer number (1020474).

Almost surely, 2^4040147 is an apocalyptic number.

4040147 is a deficient number, since it is larger than the sum of its proper divisors (41749).

4040147 is an equidigital number, since it uses as much as digits as its factorization.

4040147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41748.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 4040147 is about 2010.0116915083. The cubic root of 4040147 is about 159.2694165219.

The spelling of 4040147 in words is "four million, forty thousand, one hundred forty-seven".