3698838 has 64 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 1032480.

The previous prime is 3698831. The next prime is 3698839. The reversal of 3698838 is 8388963.

It is a junction number, because it is equal to n+sod(n) for n = 3698793 and 3698802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698831) 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, 7483 + ... + 7961.

It is an arithmetic number, because the mean of its divisors is an integer number (151200).

Almost surely, 2^3698838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3698838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4838400).

3698838 is an abundant number, since it is smaller than the sum of its proper divisors (5977962).

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

3698838 is a wasteful number, since it uses less digits than its factorization.

3698838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 508 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 3698838 is about 1923.2363349313. The cubic root of 3698838 is about 154.6518443072.

The spelling of 3698838 in words is "three million, six hundred ninety-eight thousand, eight hundred thirty-eight".