1374894399 has 8 divisors (see below), whose sum is σ = 1833564160. Its totient is φ = 916410456.

The previous prime is 1374894377. The next prime is 1374894401. The reversal of 1374894399 is 9934984731.

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

It is not a de Polignac number, because 1374894399 - 2⁷ = 1374894271 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 (1374894349) 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 7 ways as a sum of consecutive naturals, for example, 28159 + ... + 59520.

It is an arithmetic number, because the mean of its divisors is an integer number (229195520).

Almost surely, 2^1374894399 is an apocalyptic number.

1374894399 is a deficient number, since it is larger than the sum of its proper divisors (458669761).

1374894399 is an equidigital number, since it uses as much as digits as its factorization.

1374894399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92909.

The product of its digits is 5878656, while the sum is 57.

The square root of 1374894399 is about 37079.5684845442. The cubic root of 1374894399 is about 1111.9615773411.

The spelling of 1374894399 in words is "one billion, three hundred seventy-four million, eight hundred ninety-four thousand, three hundred ninety-nine".