369729399 has 12 divisors (see below), whose sum is σ = 531065976. Its totient is φ = 227451888.

The previous prime is 369729397. The next prime is 369729421. The reversal of 369729399 is 993927963.

It is not a de Polignac number, because 369729399 - 2¹ = 369729397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369729397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118542 + ... + 121620.

It is an arithmetic number, because the mean of its divisors is an integer number (44255498).

Almost surely, 2^369729399 is an apocalyptic number.

369729399 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

369729399 is a deficient number, since it is larger than the sum of its proper divisors (161336577).

369729399 is an frugal number, since it uses more digits than its factorization.

369729399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174 (or 3095 counting only the distinct ones).

The product of its digits is 4960116, while the sum is 57.

The square root of 369729399 is about 19228.3488370687. The cubic root of 369729399 is about 717.7303781735.

The spelling of 369729399 in words is "three hundred sixty-nine million, seven hundred twenty-nine thousand, three hundred ninety-nine".