1672838861 has 8 divisors (see below), whose sum is σ = 1690752000. Its totient is φ = 1654952400.

The previous prime is 1672838837. The next prime is 1672838863. The reversal of 1672838861 is 1688382761.

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 1672838861 - 2¹⁴ = 1672822477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672838863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135380 + ... + 147218.

It is an arithmetic number, because the mean of its divisors is an integer number (211344000).

Almost surely, 2^1672838861 is an apocalyptic number.

It is an amenable number.

1672838861 is a deficient number, since it is larger than the sum of its proper divisors (17913139).

1672838861 is a wasteful number, since it uses less digits than its factorization.

1672838861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13339.

The product of its digits is 774144, while the sum is 50.

The square root of 1672838861 is about 40900.3528224391. The cubic root of 1672838861 is about 1187.0928876066.

The spelling of 1672838861 in words is "one billion, six hundred seventy-two million, eight hundred thirty-eight thousand, eight hundred sixty-one".