3901003 has 8 divisors (see below), whose sum is σ = 4018608. Its totient is φ = 3784704.

The previous prime is 3900989. The next prime is 3901013. The reversal of 3901003 is 3001093.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3901003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3901013) 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, 10875 + ... + 11227.

It is an arithmetic number, because the mean of its divisors is an integer number (502326).

Almost surely, 2^3901003 is an apocalyptic number.

3901003 is a deficient number, since it is larger than the sum of its proper divisors (117605).

3901003 is a wasteful number, since it uses less digits than its factorization.

3901003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 3901003 is about 1975.0956938842. The cubic root of 3901003 is about 157.4195843792.

Adding to 3901003 its reverse (3001093), we get a palindrome (6902096).

It can be divided in two parts, 390 and 1003, that multiplied together give a triangular number (391170 = T₈₈₄).

The spelling of 3901003 in words is "three million, nine hundred one thousand, three".