740889 has 12 divisors (see below), whose sum is σ = 1078272. Its totient is φ = 490200.

The previous prime is 740849. The next prime is 740891. The reversal of 740889 is 988047.

740889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 740889 - 2¹² = 736793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1504 + ... + 1934.

It is an arithmetic number, because the mean of its divisors is an integer number (89856).

2⁷⁴⁰⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

740889 is a deficient number, since it is larger than the sum of its proper divisors (337383).

740889 is a wasteful number, since it uses less digits than its factorization.

740889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 740889 is about 860.7490923608. The cubic root of 740889 is about 90.4866233803.

The spelling of 740889 in words is "seven hundred forty thousand, eight hundred eighty-nine".