3698889397 has 8 divisors (see below), whose sum is σ = 4230012416. Its totient is φ = 3168443952.

The previous prime is 3698889377. The next prime is 3698889511. The reversal of 3698889397 is 7939888963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3698889397 - 2³¹ = 1551405749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698889377) 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 7 ways as a sum of consecutive naturals, for example, 157638 + ... + 179575.

It is an arithmetic number, because the mean of its divisors is an integer number (528751552).

Almost surely, 2^3698889397 is an apocalyptic number.

It is an amenable number.

3698889397 is a deficient number, since it is larger than the sum of its proper divisors (531123019).

3698889397 is a wasteful number, since it uses less digits than its factorization.

3698889397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338787.

The product of its digits is 141087744, while the sum is 70.

The square root of 3698889397 is about 60818.4955174000. The cubic root of 3698889397 is about 1546.5256062261.

The spelling of 3698889397 in words is "three billion, six hundred ninety-eight million, eight hundred eighty-nine thousand, three hundred ninety-seven".