369974389 has 4 divisors (see below), whose sum is σ = 386060256. Its totient is φ = 353888524.

The previous prime is 369974377. The next prime is 369974411. The reversal of 369974389 is 983479963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 983479963 = 8803 ⋅111721.

It is a cyclic number.

It is not a de Polignac number, because 369974389 - 2⁵ = 369974357 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 (369974329) 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, 8042899 + ... + 8042944.

It is an arithmetic number, because the mean of its divisors is an integer number (96515064).

Almost surely, 2^369974389 is an apocalyptic number.

It is an amenable number.

369974389 is a deficient number, since it is larger than the sum of its proper divisors (16085867).

369974389 is a wasteful number, since it uses less digits than its factorization.

369974389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16085866.

The product of its digits is 8817984, while the sum is 58.

The square root of 369974389 is about 19234.7183239059. The cubic root of 369974389 is about 717.8888706119. Note that the first 4 decimals are identical.

The spelling of 369974389 in words is "three hundred sixty-nine million, nine hundred seventy-four thousand, three hundred eighty-nine".