1403696 has 40 divisors (see below), whose sum is σ = 3166464. Its totient is φ = 590400.

The previous prime is 1403693. The next prime is 1403747. The reversal of 1403696 is 6963041.

1403696 = 11² + 12² + ... + 161².

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9221 + ... + 9371.

2^1403696 is an apocalyptic number.

1403696 is a gapful number since it is divisible by the number (16) 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 1403696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583232).

1403696 is an abundant number, since it is smaller than the sum of its proper divisors (1762768).

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

1403696 is a wasteful number, since it uses less digits than its factorization.

1403696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1403696 is about 1184.7767722234. The cubic root of 1403696 is about 111.9672523306.

The spelling of 1403696 in words is "one million, four hundred three thousand, six hundred ninety-six".