369391949 has 4 divisors (see below), whose sum is σ = 369732864. Its totient is φ = 369051036.

The previous prime is 369391943. The next prime is 369391951. The reversal of 369391949 is 949193963.

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.

It is a cyclic number.

It is not a de Polignac number, because 369391949 - 2⁴ = 369391933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 369391949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369391943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168827 + ... + 171000.

It is an arithmetic number, because the mean of its divisors is an integer number (92433216).

Almost surely, 2^369391949 is an apocalyptic number.

It is an amenable number.

369391949 is a deficient number, since it is larger than the sum of its proper divisors (340915).

369391949 is a wasteful number, since it uses less digits than its factorization.

369391949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340914.

The product of its digits is 1417176, while the sum is 53.

The square root of 369391949 is about 19219.5720295744. The cubic root of 369391949 is about 717.5119555123.

The spelling of 369391949 in words is "three hundred sixty-nine million, three hundred ninety-one thousand, nine hundred forty-nine".