4149739 has 8 divisors (see below), whose sum is σ = 4569840. Its totient is φ = 3736800.

The previous prime is 4149731. The next prime is 4149749. The reversal of 4149739 is 9379414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4149739 - 2³ = 4149731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4149698 and 4149707.

It is not an unprimeable number, because it can be changed into a prime (4149731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (571230).

Almost surely, 2^4149739 is an apocalyptic number.

4149739 is a deficient number, since it is larger than the sum of its proper divisors (420101).

4149739 is a wasteful number, since it uses less digits than its factorization.

4149739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581.

The product of its digits is 27216, while the sum is 37.

The square root of 4149739 is about 2037.0908178086. The cubic root of 4149739 is about 160.6966885660.

It can be divided in two parts, 414 and 9739, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 4149739 in words is "four million, one hundred forty-nine thousand, seven hundred thirty-nine".