3398723028 has 36 divisors (see below), whose sum is σ = 9096583860. Its totient is φ = 1066265856.

The previous prime is 3398723017. The next prime is 3398723039. The reversal of 3398723028 is 8203278933.

It is a happy number.

3398723028 is a `hidden beast` number, since 3 + 398 + 7 + 230 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (3398723017) and next prime (3398723039).

It can be written as a sum of positive squares in 2 ways, for example, as 2328255504 + 1070467524 = 48252^2 + 32718^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2776123 + ... + 2777346.

It is an arithmetic number, because the mean of its divisors is an integer number (252682885).

Almost surely, 2^3398723028 is an apocalyptic number.

It is an amenable number.

3398723028 is an abundant number, since it is smaller than the sum of its proper divisors (5697860832).

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

3398723028 is a wasteful number, since it uses less digits than its factorization.

3398723028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553496 (or 5553491 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 3398723028 is about 58298.5679755515. The cubic root of 3398723028 is about 1503.5063200933.

The spelling of 3398723028 in words is "three billion, three hundred ninety-eight million, seven hundred twenty-three thousand, twenty-eight".