789654 has 16 divisors (see below), whose sum is σ = 1622448. Its totient is φ = 256032.

The previous prime is 789653. The next prime is 789671. The reversal of 789654 is 456987.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789653) 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, 1557 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (101403).

2⁷⁸⁹⁶⁵⁴ is an apocalyptic number.

789654 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

789654 is an abundant number, since it is smaller than the sum of its proper divisors (832794).

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

789654 is a wasteful number, since it uses less digits than its factorization.

789654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599.

The product of its digits is 60480, while the sum is 39.

The square root of 789654 is about 888.6247802082. The cubic root of 789654 is about 92.4298567333.

The spelling of 789654 in words is "seven hundred eighty-nine thousand, six hundred fifty-four".