4001249 has 8 divisors (see below), whose sum is σ = 4585920. Its totient is φ = 3419856.

The previous prime is 4001243. The next prime is 4001269. The reversal of 4001249 is 9421004.

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 4001249 - 2⁸ = 4000993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4001249.

It is not an unprimeable number, because it can be changed into a prime (4001243) 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, 3002 + ... + 4124.

It is an arithmetic number, because the mean of its divisors is an integer number (573240).

Almost surely, 2^4001249 is an apocalyptic number.

It is an amenable number.

4001249 is a deficient number, since it is larger than the sum of its proper divisors (584671).

4001249 is a wasteful number, since it uses less digits than its factorization.

4001249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4001249 is about 2000.3122256288. The cubic root of 4001249 is about 158.7566256767.

The spelling of 4001249 in words is "four million, one thousand, two hundred forty-nine".