379749 has 4 divisors (see below), whose sum is σ = 506336. Its totient is φ = 253164.

The previous prime is 379727. The next prime is 379751. The reversal of 379749 is 947973.

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 not a de Polignac number, because 379749 - 2¹⁶ = 314213 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63289 + ... + 63294.

It is an arithmetic number, because the mean of its divisors is an integer number (126584).

2³⁷⁹⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

379749 is a deficient number, since it is larger than the sum of its proper divisors (126587).

379749 is a wasteful number, since it uses less digits than its factorization.

379749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126586.

The product of its digits is 47628, while the sum is 39.

The square root of 379749 is about 616.2377787835. The cubic root of 379749 is about 72.4156132704.

It can be divided in two parts, 379 and 749, that added together give a triangular number (1128 = T₄₇).

The spelling of 379749 in words is "three hundred seventy-nine thousand, seven hundred forty-nine".