696241840 has 80 divisors (see below), whose sum is σ = 1860505920. Its totient is φ = 237358080.

The previous prime is 696241829. The next prime is 696241841. The reversal of 696241840 is 48142696.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 696241793 and 696241802.

It is not an unprimeable number, because it can be changed into a prime (696241841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97926 + ... + 104794.

It is an arithmetic number, because the mean of its divisors is an integer number (23256324).

Almost surely, 2^696241840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696241840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930252960).

696241840 is an abundant number, since it is smaller than the sum of its proper divisors (1164264080).

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

696241840 is a wasteful number, since it uses less digits than its factorization.

696241840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070 (or 7064 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 696241840 is about 26386.3949792312. The cubic root of 696241840 is about 886.3121565670.

The spelling of 696241840 in words is "six hundred ninety-six million, two hundred forty-one thousand, eight hundred forty".