497407428 has 108 divisors (see below), whose sum is σ = 1502341932. Its totient is φ = 138257280.

The previous prime is 497407423. The next prime is 497407447. The reversal of 497407428 is 824704794.

It can be written as a sum of positive squares in 2 ways, for example, as 442765764 + 54641664 = 21042^2 + 7392^2 .

It is not an unprimeable number, because it can be changed into a prime (497407423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 61458 + ... + 69078.

Almost surely, 2^497407428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497407428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751170966).

497407428 is an abundant number, since it is smaller than the sum of its proper divisors (1004934504).

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

497407428 is a wasteful number, since it uses less digits than its factorization.

497407428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7682 (or 7670 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 497407428 is about 22302.6327593852. The cubic root of 497407428 is about 792.3263309338.

The spelling of 497407428 in words is "four hundred ninety-seven million, four hundred seven thousand, four hundred twenty-eight".