3698504393 has 4 divisors (see below), whose sum is σ = 3721194768. Its totient is φ = 3675814020.

The previous prime is 3698504389. The next prime is 3698504429. The reversal of 3698504393 is 3934058963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3934058963 = 25463 ⋅154501.

It is a cyclic number.

It is not a de Polignac number, because 3698504393 - 2² = 3698504389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3698504323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11344943 + ... + 11345268.

It is an arithmetic number, because the mean of its divisors is an integer number (930298692).

Almost surely, 2^3698504393 is an apocalyptic number.

It is an amenable number.

3698504393 is a deficient number, since it is larger than the sum of its proper divisors (22690375).

3698504393 is a wasteful number, since it uses less digits than its factorization.

3698504393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22690374.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The square root of 3698504393 is about 60815.3302465752. The cubic root of 3698504393 is about 1546.4719469480.

The spelling of 3698504393 in words is "three billion, six hundred ninety-eight million, five hundred four thousand, three hundred ninety-three".