1641098 has 16 divisors (see below), whose sum is σ = 2573664. Its totient is φ = 784080.

The previous prime is 1641091. The next prime is 1641103. The reversal of 1641098 is 8901461.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1641098.

It is not an unprimeable number, because it can be changed into a prime (1641091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4793 + ... + 5123.

It is an arithmetic number, because the mean of its divisors is an integer number (160854).

2^1641098 is an apocalyptic number.

1641098 is a deficient number, since it is larger than the sum of its proper divisors (932566).

1641098 is a wasteful number, since it uses less digits than its factorization.

1641098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1641098 is about 1281.0534727325. The cubic root of 1641098 is about 117.9536828658.

It can be divided in two parts, 16 and 41098, that added together give a palindrome (41114).

The spelling of 1641098 in words is "one million, six hundred forty-one thousand, ninety-eight".