501340406 has 16 divisors (see below), whose sum is σ = 866004480. Its totient is φ = 213219240.

The previous prime is 501340391. The next prime is 501340439. The reversal of 501340406 is 604043105.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134846 + ... + 138513.

It is an arithmetic number, because the mean of its divisors is an integer number (54125280).

Almost surely, 2^501340406 is an apocalyptic number.

501340406 is a deficient number, since it is larger than the sum of its proper divisors (364664074).

501340406 is a wasteful number, since it uses less digits than its factorization.

501340406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273499.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 501340406 is about 22390.6321036276. The cubic root of 501340406 is about 794.4091470990.

The spelling of 501340406 in words is "five hundred one million, three hundred forty thousand, four hundred six".