403821098 has 48 divisors (see below), whose sum is σ = 665856936. Its totient is φ = 183530880.

The previous prime is 403821053. The next prime is 403821137. The reversal of 403821098 is 890128304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 358837249 + 44983849 = 18943^2 + 6707^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2334140 + ... + 2334312.

Almost surely, 2^403821098 is an apocalyptic number.

403821098 is a deficient number, since it is larger than the sum of its proper divisors (262035838).

403821098 is a wasteful number, since it uses less digits than its factorization.

403821098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 403821098 is about 20095.3003958637. The cubic root of 403821098 is about 739.1450425560.

The spelling of 403821098 in words is "four hundred three million, eight hundred twenty-one thousand, ninety-eight".