2631098 has 4 divisors (see below), whose sum is σ = 3946650. Its totient is φ = 1315548.

The previous prime is 2631091. The next prime is 2631103. The reversal of 2631098 is 8901362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8901362 = 2 ⋅4450681.

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 537289 = 1447^2 + 733^2 .

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 2631098.

It is not an unprimeable number, because it can be changed into a prime (2631091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657773 + ... + 657776.

2^2631098 is an apocalyptic number.

2631098 is a deficient number, since it is larger than the sum of its proper divisors (1315552).

2631098 is a wasteful number, since it uses less digits than its factorization.

2631098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315551.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2631098 is about 1622.0659665994. The cubic root of 2631098 is about 138.0529447481.

The spelling of 2631098 in words is "two million, six hundred thirty-one thousand, ninety-eight".