373934399 has 4 divisors (see below), whose sum is σ = 374462520. Its totient is φ = 373406280.

The previous prime is 373934377. The next prime is 373934417. The reversal of 373934399 is 993439373.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993439373 = 8731 ⋅113783.

It is a cyclic number.

It is not a de Polignac number, because 373934399 - 2¹² = 373930303 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 (373934359) 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, 262997 + ... + 264414.

It is an arithmetic number, because the mean of its divisors is an integer number (93615630).

Almost surely, 2^373934399 is an apocalyptic number.

373934399 is a deficient number, since it is larger than the sum of its proper divisors (528121).

373934399 is an equidigital number, since it uses as much as digits as its factorization.

373934399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528120.

The product of its digits is 1653372, while the sum is 50.

The square root of 373934399 is about 19337.3834579552. The cubic root of 373934399 is about 720.4410871073.

The spelling of 373934399 in words is "three hundred seventy-three million, nine hundred thirty-four thousand, three hundred ninety-nine".