3400666698 has 64 divisors (see below), whose sum is σ = 8002012032. Its totient is φ = 949850880.

The previous prime is 3400666697. The next prime is 3400666699. The reversal of 3400666698 is 8966660043.

It is an interprime number because it is at equal distance from previous prime (3400666697) and next prime (3400666699).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3400666697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681340 + ... + 686312.

It is an arithmetic number, because the mean of its divisors is an integer number (125031438).

Almost surely, 2^3400666698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3400666698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4001006016).

3400666698 is an abundant number, since it is smaller than the sum of its proper divisors (4601345334).

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

3400666698 is a wasteful number, since it uses less digits than its factorization.

3400666698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The square root of 3400666698 is about 58315.2355564136. The cubic root of 3400666698 is about 1503.7928750933.

The spelling of 3400666698 in words is "three billion, four hundred million, six hundred sixty-six thousand, six hundred ninety-eight".