374306399 has 4 divisors (see below), whose sum is σ = 374384640. Its totient is φ = 374228160.

The previous prime is 374306389. The next prime is 374306411. The reversal of 374306399 is 993603473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993603473 = 23 ⋅43200151.

It is a cyclic number.

It is not a de Polignac number, because 374306399 - 2¹² = 374302303 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 (374306389) 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 3 ways as a sum of consecutive naturals, for example, 31442 + ... + 41679.

It is an arithmetic number, because the mean of its divisors is an integer number (93596160).

Almost surely, 2^374306399 is an apocalyptic number.

374306399 is a deficient number, since it is larger than the sum of its proper divisors (78241).

374306399 is an equidigital number, since it uses as much as digits as its factorization.

374306399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78240.

The product of its (nonzero) digits is 367416, while the sum is 44.

The square root of 374306399 is about 19346.9997415620. Note that the first 3 decimals coincide. The cubic root of 374306399 is about 720.6799126532.

The spelling of 374306399 in words is "three hundred seventy-four million, three hundred six thousand, three hundred ninety-nine".