401810098 has 4 divisors (see below), whose sum is σ = 602715150. Its totient is φ = 200905048.

The previous prime is 401810089. The next prime is 401810099. The reversal of 401810098 is 890018104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 395890609 + 5919489 = 19897^2 + 2433^2 .

It is a super-2 number, since 2×401810098² = 322902709709539208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (401810099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100452523 + ... + 100452526.

Almost surely, 2^401810098 is an apocalyptic number.

401810098 is a deficient number, since it is larger than the sum of its proper divisors (200905052).

401810098 is a wasteful number, since it uses less digits than its factorization.

401810098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200905051.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 401810098 is about 20045.2013709017. The cubic root of 401810098 is about 737.9160371377.

The spelling of 401810098 in words is "four hundred one million, eight hundred ten thousand, ninety-eight".