698423955 has 32 divisors (see below), whose sum is σ = 1155409920. Its totient is φ = 359888640.

The previous prime is 698423939. The next prime is 698423981. The reversal of 698423955 is 559324896.

It is not a de Polignac number, because 698423955 - 2⁴ = 698423939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 698423898 and 698423907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554116 + ... + 555374.

It is an arithmetic number, because the mean of its divisors is an integer number (36106560).

Almost surely, 2^698423955 is an apocalyptic number.

698423955 is a deficient number, since it is larger than the sum of its proper divisors (456985965).

698423955 is a wasteful number, since it uses less digits than its factorization.

698423955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491.

The product of its digits is 2332800, while the sum is 51.

The square root of 698423955 is about 26427.7118759835. The cubic root of 698423955 is about 887.2371311679.

The spelling of 698423955 in words is "six hundred ninety-eight million, four hundred twenty-three thousand, nine hundred fifty-five".