1393852992 has 224 divisors, whose sum is σ = 4470269952. Its totient is φ = 374685696.

The previous prime is 1393852987. The next prime is 1393853017. The reversal of 1393852992 is 2992583931.

It is a tau number, because it is divible by the number of its divisors (224).

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, 2070768 + ... + 2071440.

Almost surely, 2^1393852992 is an apocalyptic number.

1393852992 is a gapful number since it is divisible by the number (12) 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 1393852992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235134976).

1393852992 is an abundant number, since it is smaller than the sum of its proper divisors (3076416960).

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

1393852992 is a wasteful number, since it uses less digits than its factorization.

1393852992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 775 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 1393852992 is about 37334.3406530770. The cubic root of 1393852992 is about 1117.0492566309.

The spelling of 1393852992 in words is "one billion, three hundred ninety-three million, eight hundred fifty-two thousand, nine hundred ninety-two".