3734989 has 4 divisors (see below), whose sum is σ = 3768156. Its totient is φ = 3701824.

The previous prime is 3734987. The next prime is 3734999. The reversal of 3734989 is 9894373.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9894373 = 191 ⋅51803.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 2377764 = 1165^2 + 1542^2 .

It is a cyclic number.

It is not a de Polignac number, because 3734989 - 2¹ = 3734987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3734987) 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, 16414 + ... + 16639.

It is an arithmetic number, because the mean of its divisors is an integer number (942039).

Almost surely, 2^3734989 is an apocalyptic number.

It is an amenable number.

3734989 is a deficient number, since it is larger than the sum of its proper divisors (33167).

3734989 is a wasteful number, since it uses less digits than its factorization.

3734989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33166.

The product of its digits is 163296, while the sum is 43.

The square root of 3734989 is about 1932.6119631214. The cubic root of 3734989 is about 155.1540473344.

The spelling of 3734989 in words is "three million, seven hundred thirty-four thousand, nine hundred eighty-nine".