1396493400 has 96 divisors (see below), whose sum is σ = 4334878800. Its totient is φ = 371904000.

The previous prime is 1396493389. The next prime is 1396493429. The reversal of 1396493400 is 43946931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 779706 + ... + 781494.

Almost surely, 2^1396493400 is an apocalyptic number.

1396493400 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 1396493400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167439400).

1396493400 is an abundant number, since it is smaller than the sum of its proper divisors (2938385400).

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

1396493400 is a wasteful number, since it uses less digits than its factorization.

1396493400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 1396493400 is about 37369.6855753430. The cubic root of 1396493400 is about 1117.7541624697.

The spelling of 1396493400 in words is "one billion, three hundred ninety-six million, four hundred ninety-three thousand, four hundred".