3879542 has 4 divisors (see below), whose sum is σ = 5819316. Its totient is φ = 1939770.

The previous prime is 3879541. The next prime is 3879569. The reversal of 3879542 is 2459783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2459783 = 53 ⋅46411.

It is a super-2 number, since 2×3879542² = 30101692259528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3879496 and 3879505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3879541) 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 as a sum of consecutive naturals, namely, 969884 + ... + 969887.

It is an arithmetic number, because the mean of its divisors is an integer number (1454829).

Almost surely, 2^3879542 is an apocalyptic number.

3879542 is a deficient number, since it is larger than the sum of its proper divisors (1939774).

3879542 is a wasteful number, since it uses less digits than its factorization.

3879542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939773.

The product of its digits is 60480, while the sum is 38.

The square root of 3879542 is about 1969.6552997923. The cubic root of 3879542 is about 157.1303770490.

The spelling of 3879542 in words is "three million, eight hundred seventy-nine thousand, five hundred forty-two".