698894263 has 4 divisors (see below), whose sum is σ = 710351608. Its totient is φ = 687436920.

The previous prime is 698894249. The next prime is 698894269. The reversal of 698894263 is 362498896.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 698894263 - 2²¹ = 696797111 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 (698894269) 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, 5728581 + ... + 5728702.

It is an arithmetic number, because the mean of its divisors is an integer number (177587902).

Almost surely, 2^698894263 is an apocalyptic number.

698894263 is a deficient number, since it is larger than the sum of its proper divisors (11457345).

698894263 is a wasteful number, since it uses less digits than its factorization.

698894263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11457344.

The product of its digits is 4478976, while the sum is 55.

The square root of 698894263 is about 26436.6083868563. The cubic root of 698894263 is about 887.4362371171.

The spelling of 698894263 in words is "six hundred ninety-eight million, eight hundred ninety-four thousand, two hundred sixty-three".