39142698 has 64 divisors (see below), whose sum is σ = 95047680. Its totient is φ = 10497600.

The previous prime is 39142693. The next prime is 39142709. The reversal of 39142698 is 89624193.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (39142693) 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 31 ways as a sum of consecutive naturals, for example, 144303 + ... + 144573.

It is an arithmetic number, because the mean of its divisors is an integer number (1485120).

Almost surely, 2^39142698 is an apocalyptic number.

39142698 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39142698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47523840).

39142698 is an abundant number, since it is smaller than the sum of its proper divisors (55904982).

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

39142698 is a wasteful number, since it uses less digits than its factorization.

39142698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its digits is 93312, while the sum is 42.

The square root of 39142698 is about 6256.4125503359. The cubic root of 39142698 is about 339.5342469337.

The spelling of 39142698 in words is "thirty-nine million, one hundred forty-two thousand, six hundred ninety-eight".