379547561 has 8 divisors (see below), whose sum is σ = 381851904. Its totient is φ = 377249040.

The previous prime is 379547527. The next prime is 379547573. The reversal of 379547561 is 165745973.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 379547561 - 2²⁶ = 312438697 is a prime.

It is a super-2 number, since 2×379547561² = 288112702122097442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379547461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226850 + ... + 228516.

It is an arithmetic number, because the mean of its divisors is an integer number (47731488).

Almost surely, 2^379547561 is an apocalyptic number.

It is an amenable number.

379547561 is a deficient number, since it is larger than the sum of its proper divisors (2304343).

379547561 is a wasteful number, since it uses less digits than its factorization.

379547561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911.

The product of its digits is 793800, while the sum is 47.

The square root of 379547561 is about 19481.9804178117. The cubic root of 379547561 is about 724.0280664567.

The spelling of 379547561 in words is "three hundred seventy-nine million, five hundred forty-seven thousand, five hundred sixty-one".