401005698 has 32 divisors (see below), whose sum is σ = 814250880. Its totient is φ = 131640960.

The previous prime is 401005691. The next prime is 401005721. The reversal of 401005698 is 896500104.

It is not an unprimeable number, because it can be changed into a prime (401005691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146563 + ... + 149273.

It is an arithmetic number, because the mean of its divisors is an integer number (25445340).

Almost surely, 2^401005698 is an apocalyptic number.

401005698 is an abundant number, since it is smaller than the sum of its proper divisors (413245182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401005698 is a wasteful number, since it uses less digits than its factorization.

401005698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 401005698 is about 20025.1266662661. The cubic root of 401005698 is about 737.4232867828.

The spelling of 401005698 in words is "four hundred one million, five thousand, six hundred ninety-eight".