401011206 has 16 divisors (see below), whose sum is σ = 820674624. Its totient is φ = 130561704.

The previous prime is 401011157. The next prime is 401011213. The reversal of 401011206 is 602110104.

It is a congruent number.

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, 776896 + ... + 777411.

It is an arithmetic number, because the mean of its divisors is an integer number (51292164).

Almost surely, 2^401011206 is an apocalyptic number.

401011206 is an abundant number, since it is smaller than the sum of its proper divisors (419663418).

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

401011206 is a wasteful number, since it uses less digits than its factorization.

401011206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554355.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 401011206 is about 20025.2641930138. The cubic root of 401011206 is about 737.4266630514.

The spelling of 401011206 in words is "four hundred one million, eleven thousand, two hundred six".