1403948 has 72 divisors (see below), whose sum is σ = 3351600. Its totient is φ = 508032.

The previous prime is 1403939. The next prime is 1403951. The reversal of 1403948 is 8493041.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 1403948.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48398 + ... + 48426.

It is an arithmetic number, because the mean of its divisors is an integer number (46550).

2^1403948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1403948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675800).

1403948 is an abundant number, since it is smaller than the sum of its proper divisors (1947652).

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

1403948 is a wasteful number, since it uses less digits than its factorization.

1403948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1403948 is about 1184.8831165984. The cubic root of 1403948 is about 111.9739522759.

Adding to 1403948 its reverse (8493041), we get a palindrome (9896989).

The spelling of 1403948 in words is "one million, four hundred three thousand, nine hundred forty-eight".