4001698 has 16 divisors (see below), whose sum is σ = 6529464. Its totient is φ = 1831680.

The previous prime is 4001689. The next prime is 4001713. The reversal of 4001698 is 8961004.

It can be written as a sum of positive squares in 4 ways, for example, as 3713329 + 288369 = 1927^2 + 537^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333 + ... + 2848.

Almost surely, 2^4001698 is an apocalyptic number.

4001698 is a deficient number, since it is larger than the sum of its proper divisors (2527766).

4001698 is a wasteful number, since it uses less digits than its factorization.

4001698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 4001698 is about 2000.4244549595. The cubic root of 4001698 is about 158.7625637441.

The spelling of 4001698 in words is "four million, one thousand, six hundred ninety-eight".