1394097192 has 96 divisors (see below), whose sum is σ = 3831707880. Its totient is φ = 457850880.

The previous prime is 1394097191. The next prime is 1394097197. The reversal of 1394097192 is 2917904931.

It can be written as a sum of positive squares in 4 ways, for example, as 771395076 + 622702116 = 27774^2 + 24954^2 .

It is not an unprimeable number, because it can be changed into a prime (1394097191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3023842 + ... + 3024302.

Almost surely, 2^1394097192 is an apocalyptic number.

1394097192 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 1394097192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1915853940).

1394097192 is an abundant number, since it is smaller than the sum of its proper divisors (2437610688).

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

1394097192 is a wasteful number, since it uses less digits than its factorization.

1394097192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 1394097192 is about 37337.6109573176. The cubic root of 1394097192 is about 1117.1144876850.

The spelling of 1394097192 in words is "one billion, three hundred ninety-four million, ninety-seven thousand, one hundred ninety-two".