1003950 has 72 divisors (see below), whose sum is σ = 2843568. Its totient is φ = 253440.

The previous prime is 1003943. The next prime is 1003957. The reversal of 1003950 is 593001.

It is an interprime number because it is at equal distance from previous prime (1003943) and next prime (1003957).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003957) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10302 + ... + 10398.

It is an arithmetic number, because the mean of its divisors is an integer number (39494).

2^1003950 is an apocalyptic number.

1003950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421784).

1003950 is an abundant number, since it is smaller than the sum of its proper divisors (1839618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003950 is a wasteful number, since it uses less digits than its factorization.

1003950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 1003950 is about 1001.9730535299. The cubic root of 1003950 is about 100.1314936850.

Adding to 1003950 its reverse (593001), we get a palindrome (1596951).

It can be divided in two parts, 1003 and 950, that added together give a triangular number (1953 = T₆₂).

The spelling of 1003950 in words is "one million, three thousand, nine hundred fifty".