406461242 has 8 divisors (see below), whose sum is σ = 665118432. Its totient is φ = 184755100.

The previous prime is 406461229. The next prime is 406461259. The reversal of 406461242 is 242164604.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9237734 + ... + 9237777.

It is an arithmetic number, because the mean of its divisors is an integer number (83139804).

Almost surely, 2^406461242 is an apocalyptic number.

406461242 is a deficient number, since it is larger than the sum of its proper divisors (258657190).

406461242 is a wasteful number, since it uses less digits than its factorization.

406461242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18475524.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 406461242 is about 20160.8839587951. The cubic root of 406461242 is about 740.7523648264.

The spelling of 406461242 in words is "four hundred six million, four hundred sixty-one thousand, two hundred forty-two".