3672098921 has 4 divisors (see below), whose sum is σ = 3673632000. Its totient is φ = 3670565844.

The previous prime is 3672098827. The next prime is 3672098951. The reversal of 3672098921 is 1298902763.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3672098921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3672098951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762941 + ... + 767738.

It is an arithmetic number, because the mean of its divisors is an integer number (918408000).

Almost surely, 2^3672098921 is an apocalyptic number.

It is an amenable number.

3672098921 is a deficient number, since it is larger than the sum of its proper divisors (1533079).

3672098921 is a wasteful number, since it uses less digits than its factorization.

3672098921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533078.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 3672098921 is about 60597.8458445513. The cubic root of 3672098921 is about 1542.7828079604.

The spelling of 3672098921 in words is "three billion, six hundred seventy-two million, ninety-eight thousand, nine hundred twenty-one".