3498320826 has 512 divisors, whose sum is σ = 11426365440. Its totient is φ = 772623360.

The previous prime is 3498320803. The next prime is 3498320849. The reversal of 3498320826 is 6280238943.

3498320826 is a `hidden beast` number, since 349 + 83 + 208 + 26 = 666.

It is an interprime number because it is at equal distance from previous prime (3498320803) and next prime (3498320849).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 74432335 + ... + 74432381.

It is an arithmetic number, because the mean of its divisors is an integer number (22317120).

Almost surely, 2^3498320826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3498320826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5713182720).

3498320826 is an abundant number, since it is smaller than the sum of its proper divisors (7928044614).

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

3498320826 is a wasteful number, since it uses less digits than its factorization.

3498320826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 3498320826 is about 59146.6045179265. The cubic root of 3498320826 is about 1518.0516394188.

The spelling of 3498320826 in words is "three billion, four hundred ninety-eight million, three hundred twenty thousand, eight hundred twenty-six".