1396703232 has 138 divisors (see below), whose sum is σ = 4143971858. Its totient is φ = 452984832.

The previous prime is 1396703227. The next prime is 1396703257. The reversal of 1396703232 is 2323076931.

It can be written as a sum of positive squares in only one way, i.e., 1358954496 + 37748736 = 36864^2 + 6144^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37748718 + ... + 37748754.

Almost surely, 2^1396703232 is an apocalyptic number.

1396703232 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 1396703232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2071985929).

1396703232 is an abundant number, since it is smaller than the sum of its proper divisors (2747268626).

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

1396703232 is an frugal number, since it uses more digits than its factorization.

1396703232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 1396703232 is about 37372.4929861523. The cubic root of 1396703232 is about 1117.8101428859.

The spelling of 1396703232 in words is "one billion, three hundred ninety-six million, seven hundred three thousand, two hundred thirty-two".