1098698601 has 64 divisors (see below), whose sum is σ = 1973422080. Its totient is φ = 525104640.

The previous prime is 1098698597. The next prime is 1098698603. The reversal of 1098698601 is 1068968901.

It is not a de Polignac number, because 1098698601 - 2² = 1098698597 is a prime.

1098698601 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (1098698603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1708386 + ... + 1709028.

It is an arithmetic number, because the mean of its divisors is an integer number (30834720).

Almost surely, 2^1098698601 is an apocalyptic number.

1098698601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1098698601 is a deficient number, since it is larger than the sum of its proper divisors (874723479).

1098698601 is a wasteful number, since it uses less digits than its factorization.

1098698601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 1098698601 is about 33146.6227691450. The cubic root of 1098698601 is about 1031.8728613808.

The spelling of 1098698601 in words is "one billion, ninety-eight million, six hundred ninety-eight thousand, six hundred one".