1674879399 has 12 divisors (see below), whose sum is σ = 2419653496. Its totient is φ = 1116409392.

The previous prime is 1674879391. The next prime is 1674879419. The reversal of 1674879399 is 9939784761.

1674879399 is a `hidden beast` number, since 1 + 67 + 487 + 9 + 3 + 99 = 666.

It is not a de Polignac number, because 1674879399 - 2³ = 1674879391 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 (1674879391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72252 + ... + 92574.

Almost surely, 2^1674879399 is an apocalyptic number.

1674879399 is a deficient number, since it is larger than the sum of its proper divisors (744774097).

1674879399 is a wasteful number, since it uses less digits than its factorization.

1674879399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29486 (or 29483 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The square root of 1674879399 is about 40925.2904571244. The cubic root of 1674879399 is about 1187.5753656175.

The spelling of 1674879399 in words is "one billion, six hundred seventy-four million, eight hundred seventy-nine thousand, three hundred ninety-nine".