696402144 has 144 divisors (see below), whose sum is σ = 2158455600. Its totient is φ = 218400768.

The previous prime is 696402131. The next prime is 696402167. The reversal of 696402144 is 441204696.

696402144 is a `hidden beast` number, since 6 + 9 + 640 + 2 + 1 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a junction number, because it is equal to n+sod(n) for n = 696402099 and 696402108.

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, 248302 + ... + 251090.

It is an arithmetic number, because the mean of its divisors is an integer number (14989275).

Almost surely, 2^696402144 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 696402144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079227800).

696402144 is an abundant number, since it is smaller than the sum of its proper divisors (1462053456).

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

696402144 is a wasteful number, since it uses less digits than its factorization.

696402144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 696402144 is about 26389.4324304256. The cubic root of 696402144 is about 886.3801733935.

The spelling of 696402144 in words is "six hundred ninety-six million, four hundred two thousand, one hundred forty-four".