406890828 has 36 divisors (see below), whose sum is σ = 1029450240. Its totient is φ = 135508896.

The previous prime is 406890821. The next prime is 406890853. The reversal of 406890828 is 828098604.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (406890821) 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, 41626 + ... + 50462.

It is an arithmetic number, because the mean of its divisors is an integer number (28595840).

Almost surely, 2^406890828 is an apocalyptic number.

It is an amenable number.

406890828 is an abundant number, since it is smaller than the sum of its proper divisors (622559412).

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

406890828 is a wasteful number, since it uses less digits than its factorization.

406890828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126 (or 10121 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 406890828 is about 20171.5350927985. The cubic root of 406890828 is about 741.0132382474.

The spelling of 406890828 in words is "four hundred six million, eight hundred ninety thousand, eight hundred twenty-eight".