1394649600 has 120 divisors (see below), whose sum is σ = 4607264640. Its totient is φ = 371896320.

The previous prime is 1394649593. The next prime is 1394649601. The reversal of 1394649600 is 69464931.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (1394649601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20241 + ... + 56559.

It is an arithmetic number, because the mean of its divisors is an integer number (38393872).

Almost surely, 2^1394649600 is an apocalyptic number.

1394649600 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 1394649600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303632320).

1394649600 is an abundant number, since it is smaller than the sum of its proper divisors (3212615040).

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

1394649600 is an equidigital number, since it uses as much as digits as its factorization.

1394649600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36350 (or 36329 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 1394649600 is about 37345.0076984863. The cubic root of 1394649600 is about 1117.2620196009.

It can be divided in two parts, 13946 and 49600, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 1394649600 in words is "one billion, three hundred ninety-four million, six hundred forty-nine thousand, six hundred".