798551 has 16 divisors (see below), whose sum is σ = 937440. Its totient is φ = 673920.

The previous prime is 798533. The next prime is 798569. The reversal of 798551 is 155897.

It is an interprime number because it is at equal distance from previous prime (798533) and next prime (798569).

It is not a de Polignac number, because 798551 - 2⁶ = 798487 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 (798521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13061 + ... + 13121.

It is an arithmetic number, because the mean of its divisors is an integer number (58590).

2⁷⁹⁸⁵⁵¹ is an apocalyptic number.

798551 is a deficient number, since it is larger than the sum of its proper divisors (138889).

798551 is a wasteful number, since it uses less digits than its factorization.

798551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146.

The product of its digits is 12600, while the sum is 35.

The square root of 798551 is about 893.6168082573. The cubic root of 798551 is about 92.7756956145.

The spelling of 798551 in words is "seven hundred ninety-eight thousand, five hundred fifty-one".