42098810 has 16 divisors (see below), whose sum is σ = 81607176. Its totient is φ = 15544128.

The previous prime is 42098803. The next prime is 42098827. The reversal of 42098810 is 1889024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36590401 + 5508409 = 6049^2 + 2347^2 .

It is a super-2 number, since 2×42098810² = 3544619606832200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161789 + ... + 162048.

Almost surely, 2^42098810 is an apocalyptic number.

42098810 is a deficient number, since it is larger than the sum of its proper divisors (39508366).

42098810 is a wasteful number, since it uses less digits than its factorization.

42098810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323857.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 42098810 is about 6488.3595769655. The cubic root of 42098810 is about 347.8750432156.

The spelling of 42098810 in words is "forty-two million, ninety-eight thousand, eight hundred ten".