3469957998 has 64 divisors (see below), whose sum is σ = 7570402560. Its totient is φ = 1053948672.

The previous prime is 3469957987. The next prime is 3469958021. The reversal of 3469957998 is 8997599643.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3162586 + ... + 3163682.

It is an arithmetic number, because the mean of its divisors is an integer number (118287540).

Almost surely, 2^3469957998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3469957998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3785201280).

3469957998 is an abundant number, since it is smaller than the sum of its proper divisors (4100444562).

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

3469957998 is a wasteful number, since it uses less digits than its factorization.

3469957998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its digits is 132269760, while the sum is 69.

The square root of 3469957998 is about 58906.3493861231. The cubic root of 3469957998 is about 1513.9379396449.

The spelling of 3469957998 in words is "three billion, four hundred sixty-nine million, nine hundred fifty-seven thousand, nine hundred ninety-eight".