4139977 has 4 divisors (see below), whose sum is σ = 4320000. Its totient is φ = 3959956.

The previous prime is 4139951. The next prime is 4139983. The reversal of 4139977 is 7799314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7799314 = 2 ⋅3899657.

It is not a de Polignac number, because 4139977 - 2¹¹ = 4137929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4139917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89977 + ... + 90022.

It is an arithmetic number, because the mean of its divisors is an integer number (1080000).

Almost surely, 2^4139977 is an apocalyptic number.

It is an amenable number.

4139977 is a deficient number, since it is larger than the sum of its proper divisors (180023).

4139977 is a wasteful number, since it uses less digits than its factorization.

4139977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180022.

The product of its digits is 47628, while the sum is 40.

The square root of 4139977 is about 2034.6933429881. The cubic root of 4139977 is about 160.5705800091.

The spelling of 4139977 in words is "four million, one hundred thirty-nine thousand, nine hundred seventy-seven".