406498446 has 64 divisors (see below), whose sum is σ = 926821440. Its totient is φ = 132013440.

The previous prime is 406498429. The next prime is 406498451. The reversal of 406498446 is 644894604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494716 + ... + 495536.

It is an arithmetic number, because the mean of its divisors is an integer number (14481585).

Almost surely, 2^406498446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406498446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463410720).

406498446 is an abundant number, since it is smaller than the sum of its proper divisors (520322994).

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

406498446 is a wasteful number, since it uses less digits than its factorization.

406498446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 406498446 is about 20161.8066154797. The cubic root of 406498446 is about 740.7749648576.

The spelling of 406498446 in words is "four hundred six million, four hundred ninety-eight thousand, four hundred forty-six".