401206826 has 4 divisors (see below), whose sum is σ = 601810242. Its totient is φ = 200603412.

The previous prime is 401206823. The next prime is 401206847. The reversal of 401206826 is 628602104.

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., 211731601 + 189475225 = 14551^2 + 13765^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401206823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100301705 + ... + 100301708.

Almost surely, 2^401206826 is an apocalyptic number.

401206826 is a deficient number, since it is larger than the sum of its proper divisors (200603416).

401206826 is a wasteful number, since it uses less digits than its factorization.

401206826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200603415.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 401206826 is about 20030.1479275616. The cubic root of 401206826 is about 737.5465532617.

The spelling of 401206826 in words is "four hundred one million, two hundred six thousand, eight hundred twenty-six".