1394704080 has 360 divisors, whose sum is σ = 5886456576. Its totient is φ = 289681920.

The previous prime is 1394704079. The next prime is 1394704081. The reversal of 1394704080 is 804074931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1394704079) and next prime (1394704081).

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394704081) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 608697 + ... + 610983.

Almost surely, 2^1394704080 is an apocalyptic number.

1394704080 is a gapful number since it is divisible by the number (10) 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 1394704080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2943228288).

1394704080 is an abundant number, since it is smaller than the sum of its proper divisors (4491752496).

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

1394704080 is a wasteful number, since it uses less digits than its factorization.

1394704080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1394704080 is about 37345.7371061277. The cubic root of 1394704080 is about 1117.2765674946.

The spelling of 1394704080 in words is "one billion, three hundred ninety-four million, seven hundred four thousand, eighty".