4039698 has 32 divisors (see below), whose sum is σ = 8842176. Its totient is φ = 1222848.

The previous prime is 4039681. The next prime is 4039709. The reversal of 4039698 is 8969304.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4840 + ... + 5612.

It is an arithmetic number, because the mean of its divisors is an integer number (276318).

Almost surely, 2^4039698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4039698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4421088).

4039698 is an abundant number, since it is smaller than the sum of its proper divisors (4802478).

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

4039698 is a wasteful number, since it uses less digits than its factorization.

4039698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4039698 is about 2009.8999975123. The cubic root of 4039698 is about 159.2635161907.

It can be divided in two parts, 403 and 9698, that added together give a palindrome (10101).

The spelling of 4039698 in words is "four million, thirty-nine thousand, six hundred ninety-eight".