1393448016 has 80 divisors (see below), whose sum is σ = 3786186240. Its totient is φ = 440993280.

The previous prime is 1393448003. The next prime is 1393448029. The reversal of 1393448016 is 6108443931.

It is an interprime number because it is at equal distance from previous prime (1393448003) and next prime (1393448029).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70030 + ... + 87698.

It is an arithmetic number, because the mean of its divisors is an integer number (47327328).

Almost surely, 2^1393448016 is an apocalyptic number.

1393448016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1393448016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893093120).

1393448016 is an abundant number, since it is smaller than the sum of its proper divisors (2392738224).

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

1393448016 is a wasteful number, since it uses less digits than its factorization.

1393448016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17764 (or 17758 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1393448016 is about 37328.9166196931. The cubic root of 1393448016 is about 1116.9410620649.

The spelling of 1393448016 in words is "one billion, three hundred ninety-three million, four hundred forty-eight thousand, sixteen".