401934211 has 12 divisors (see below), whose sum is σ = 470149680. Its totient is φ = 342604080.

The previous prime is 401934209. The next prime is 401934233. The reversal of 401934211 is 112439104.

It is a happy number.

It is not a de Polignac number, because 401934211 - 2¹ = 401934209 is a prime.

It is a super-2 number, since 2×401934211² = 323102219944385042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401934241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13791 + ... + 31528.

It is an arithmetic number, because the mean of its divisors is an integer number (39179140).

Almost surely, 2^401934211 is an apocalyptic number.

401934211 is a deficient number, since it is larger than the sum of its proper divisors (68215469).

401934211 is a wasteful number, since it uses less digits than its factorization.

401934211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45514 (or 45507 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 401934211 is about 20048.2969600911. The cubic root of 401934211 is about 737.9920063127.

The spelling of 401934211 in words is "four hundred one million, nine hundred thirty-four thousand, two hundred eleven".