406790330 has 8 divisors (see below), whose sum is σ = 732222612. Its totient is φ = 162716128.

The previous prime is 406790303. The next prime is 406790357. The reversal of 406790330 is 33097604.

It is an interprime number because it is at equal distance from previous prime (406790303) and next prime (406790357).

It can be written as a sum of positive squares in 2 ways, for example, as 399720049 + 7070281 = 19993^2 + 2659^2 .

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

It is a Curzon number.

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, 20339507 + ... + 20339526.

Almost surely, 2^406790330 is an apocalyptic number.

406790330 is a deficient number, since it is larger than the sum of its proper divisors (325432282).

406790330 is a wasteful number, since it uses less digits than its factorization.

406790330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40679040.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 406790330 is about 20169.0438543824. The cubic root of 406790330 is about 740.9522255832.

The spelling of 406790330 in words is "four hundred six million, seven hundred ninety thousand, three hundred thirty".