4139970 has 16 divisors (see below), whose sum is σ = 9936000. Its totient is φ = 1103984.

The previous prime is 4139951. The next prime is 4139983. The reversal of 4139970 is 799314.

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 7 ways as a sum of consecutive naturals, for example, 68970 + ... + 69029.

It is an arithmetic number, because the mean of its divisors is an integer number (621000).

Almost surely, 2^4139970 is an apocalyptic number.

4139970 is an abundant number, since it is smaller than the sum of its proper divisors (5796030).

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

4139970 is a wasteful number, since it uses less digits than its factorization.

4139970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138009.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 4139970 is about 2034.6916228264. The cubic root of 4139970 is about 160.5704895098.

Adding to 4139970 its sum of digits (33), we get a triangular number (4140003 = T₂₈₇₇).

The spelling of 4139970 in words is "four million, one hundred thirty-nine thousand, nine hundred seventy".