3698121 has 16 divisors (see below), whose sum is σ = 5667200. Its totient is φ = 2101248.

The previous prime is 3698119. The next prime is 3698131. The reversal of 3698121 is 1218963.

It is not a de Polignac number, because 3698121 - 2¹ = 3698119 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

3698121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3698111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4425 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (354200).

Almost surely, 2^3698121 is an apocalyptic number.

It is an amenable number.

3698121 is a deficient number, since it is larger than the sum of its proper divisors (1969079).

3698121 is a wasteful number, since it uses less digits than its factorization.

3698121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its digits is 2592, while the sum is 30.

The square root of 3698121 is about 1923.0499213489. The cubic root of 3698121 is about 154.6418508500.

The spelling of 3698121 in words is "three million, six hundred ninety-eight thousand, one hundred twenty-one".