1393041392 has 40 divisors (see below), whose sum is σ = 2855472000. Its totient is φ = 656517312.

The previous prime is 1393041367. The next prime is 1393041401. The reversal of 1393041392 is 2931403931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48983 + ... + 72009.

It is an arithmetic number, because the mean of its divisors is an integer number (71386800).

Almost surely, 2^1393041392 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 1393041392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427736000).

1393041392 is an abundant number, since it is smaller than the sum of its proper divisors (1462430608).

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

1393041392 is a wasteful number, since it uses less digits than its factorization.

1393041392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23253 (or 23247 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 1393041392 is about 37323.4697208070. The cubic root of 1393041392 is about 1116.8324061212.

The spelling of 1393041392 in words is "one billion, three hundred ninety-three million, forty-one thousand, three hundred ninety-two".