1674230639 has 16 divisors (see below), whose sum is σ = 1763514720. Its totient is φ = 1587210240.

The previous prime is 1674230629. The next prime is 1674230659. The reversal of 1674230639 is 9360324761.

It is a cyclic number.

It is not a de Polignac number, because 1674230639 - 2²⁴ = 1657453423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1674230596 and 1674230605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674230629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684659 + ... + 687099.

It is an arithmetic number, because the mean of its divisors is an integer number (110219670).

Almost surely, 2^1674230639 is an apocalyptic number.

1674230639 is a deficient number, since it is larger than the sum of its proper divisors (89284081).

1674230639 is a wasteful number, since it uses less digits than its factorization.

1674230639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 1674230639 is about 40917.3635392116. The cubic root of 1674230639 is about 1187.4220111146.

The spelling of 1674230639 in words is "one billion, six hundred seventy-four million, two hundred thirty thousand, six hundred thirty-nine".