1394314992 has 240 divisors, whose sum is σ = 4693152000. Its totient is φ = 395176320.

The previous prime is 1394314979. The next prime is 1394315009. The reversal of 1394314992 is 2994134931.

It is a super-2 number, since 2×1394314992² = 3888228593831920128, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4212267 + ... + 4212597.

It is an arithmetic number, because the mean of its divisors is an integer number (19554800).

Almost surely, 2^1394314992 is an apocalyptic number.

1394314992 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 1394314992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346576000).

1394314992 is an abundant number, since it is smaller than the sum of its proper divisors (3298837008).

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

1394314992 is a wasteful number, since it uses less digits than its factorization.

1394314992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 542 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 1394314992 is about 37340.5274735106. The cubic root of 1394314992 is about 1117.1726603067.

The spelling of 1394314992 in words is "one billion, three hundred ninety-four million, three hundred fourteen thousand, nine hundred ninety-two".