69396444 has 72 divisors (see below), whose sum is σ = 191405760. Its totient is φ = 21071232.

The previous prime is 69396443. The next prime is 69396463. The reversal of 69396444 is 44469396.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 69396444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69396443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36034 + ... + 37910.

Almost surely, 2^69396444 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 69396444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95702880).

69396444 is an abundant number, since it is smaller than the sum of its proper divisors (122009316).

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

69396444 is a wasteful number, since it uses less digits than its factorization.

69396444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 1974 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 69396444 is about 8330.4528088214. The cubic root of 69396444 is about 410.9406204730.

The spelling of 69396444 in words is "sixty-nine million, three hundred ninety-six thousand, four hundred forty-four".