379975749 has 8 divisors (see below), whose sum is σ = 506798112. Its totient is φ = 253235280.

The previous prime is 379975733. The next prime is 379975751. The reversal of 379975749 is 947579973.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 379975749 - 2⁴ = 379975733 is a prime.

It is a super-2 number, since 2×379975749² = 288763139656222002, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 379975692 and 379975701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379975759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8674 + ... + 28899.

It is an arithmetic number, because the mean of its divisors is an integer number (63349764).

Almost surely, 2^379975749 is an apocalyptic number.

It is an amenable number.

379975749 is a deficient number, since it is larger than the sum of its proper divisors (126822363).

379975749 is a wasteful number, since it uses less digits than its factorization.

379975749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40947.

The product of its digits is 15002820, while the sum is 60.

The square root of 379975749 is about 19492.9666546680. The cubic root of 379975749 is about 724.3002357895.

The spelling of 379975749 in words is "three hundred seventy-nine million, nine hundred seventy-five thousand, seven hundred forty-nine".