428590166 has 8 divisors (see below), whose sum is σ = 660260640. Its totient is φ = 208503288.

The previous prime is 428590153. The next prime is 428590177. The reversal of 428590166 is 661095824.

It is a happy number.

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

It is a congruent 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, 2895806 + ... + 2895953.

It is an arithmetic number, because the mean of its divisors is an integer number (82532580).

Almost surely, 2^428590166 is an apocalyptic number.

428590166 is a deficient number, since it is larger than the sum of its proper divisors (231670474).

428590166 is a wasteful number, since it uses less digits than its factorization.

428590166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5791798.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 428590166 is about 20702.4193272187. The cubic root of 428590166 is about 753.9584286639.

The spelling of 428590166 in words is "four hundred twenty-eight million, five hundred ninety thousand, one hundred sixty-six".