1399802448 has 160 divisors (see below), whose sum is σ = 4175447040. Its totient is φ = 399928320.

The previous prime is 1399802431. The next prime is 1399802473. The reversal of 1399802448 is 8442089931.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1399802397 and 1399802406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 885723 + ... + 887301.

It is an arithmetic number, because the mean of its divisors is an integer number (26096544).

Almost surely, 2^1399802448 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 1399802448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2087723520).

1399802448 is an abundant number, since it is smaller than the sum of its proper divisors (2775644592).

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

1399802448 is a wasteful number, since it uses less digits than its factorization.

1399802448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 1399802448 is about 37413.9338749616. The cubic root of 1399802448 is about 1118.6363207400.

The spelling of 1399802448 in words is "one billion, three hundred ninety-nine million, eight hundred two thousand, four hundred forty-eight".