698106454 has 16 divisors (see below), whose sum is σ = 1076993568. Its totient is φ = 339135552.

The previous prime is 698106449. The next prime is 698106457. The reversal of 698106454 is 454601896.

It is a super-2 number, since 2×698106454² = 974705242232908232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 698106454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698106457) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48634 + ... + 61330.

It is an arithmetic number, because the mean of its divisors is an integer number (67312098).

Almost surely, 2^698106454 is an apocalyptic number.

698106454 is a deficient number, since it is larger than the sum of its proper divisors (378887114).

698106454 is a wasteful number, since it uses less digits than its factorization.

698106454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13479.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 698106454 is about 26421.7042220974. The cubic root of 698106454 is about 887.1026658614.

The spelling of 698106454 in words is "six hundred ninety-eight million, one hundred six thousand, four hundred fifty-four".