406506748 has 24 divisors (see below), whose sum is σ = 750128400. Its totient is φ = 192221568.

The previous prime is 406506743. The next prime is 406506773. The reversal of 406506748 is 847605604.

It is a self number, because there is not a number n which added to its sum of digits gives 406506748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406506743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42558 + ... + 51226.

It is an arithmetic number, because the mean of its divisors is an integer number (31255350).

Almost surely, 2^406506748 is an apocalyptic number.

It is an amenable number.

406506748 is a deficient number, since it is larger than the sum of its proper divisors (343621652).

406506748 is a wasteful number, since it uses less digits than its factorization.

406506748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9309 (or 9307 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 406506748 is about 20162.0124987562. The cubic root of 406506748 is about 740.7800078222.

The spelling of 406506748 in words is "four hundred six million, five hundred six thousand, seven hundred forty-eight".