39144342 has 32 divisors (see below), whose sum is σ = 79833600. Its totient is φ = 12793248.

The previous prime is 39144337. The next prime is 39144361. The reversal of 39144342 is 24344193.

39144342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39144342² = 3064559021225928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 127353 + ... + 127659.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^39144342 is an apocalyptic number.

39144342 is an abundant number, since it is smaller than the sum of its proper divisors (40689258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39144342 is a wasteful number, since it uses less digits than its factorization.

39144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its digits is 10368, while the sum is 30.

The square root of 39144342 is about 6256.5439341541. The cubic root of 39144342 is about 339.5390003659.

It can be divided in two parts, 3914 and 4342, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 39144342 in words is "thirty-nine million, one hundred forty-four thousand, three hundred forty-two".