694222496 has 72 divisors (see below), whose sum is σ = 1539289332. Its totient is φ = 307788800.

The previous prime is 694222493. The next prime is 694222499.

694222496 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (694222493) and next prime (694222499).

It can be written as a sum of positive squares in 2 ways, for example, as 653518096 + 40704400 = 25564^2 + 6380^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (694222493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156566 + ... + 160938.

Almost surely, 2^694222496 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 694222496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769644666).

694222496 is an abundant number, since it is smaller than the sum of its proper divisors (845066836).

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

694222496 is a wasteful number, since it uses less digits than its factorization.

694222496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446 (or 4427 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 694222496 is about 26348.1023225583. The cubic root of 694222496 is about 885.4544554331.

The spelling of 694222496 in words is "six hundred ninety-four million, two hundred twenty-two thousand, four hundred ninety-six".