1672969398 has 8 divisors (see below), whose sum is σ = 3345938808. Its totient is φ = 557656464.

The previous prime is 1672969391. The next prime is 1672969409. The reversal of 1672969398 is 8939692761.

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

1672969398 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672969391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139414111 + ... + 139414122.

It is an arithmetic number, because the mean of its divisors is an integer number (418242351).

Almost surely, 2^1672969398 is an apocalyptic number.

1672969398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672969398 is a wasteful number, since it uses less digits than its factorization.

1672969398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278828238.

The product of its digits is 8817984, while the sum is 60.

The square root of 1672969398 is about 40901.9485843890. The cubic root of 1672969398 is about 1187.1237643629.

The spelling of 1672969398 in words is "one billion, six hundred seventy-two million, nine hundred sixty-nine thousand, three hundred ninety-eight".