428214950 has 12 divisors (see below), whose sum is σ = 796479900. Its totient is φ = 171285960.

The previous prime is 428214923. The next prime is 428214953. The reversal of 428214950 is 59412824.

It is a self number, because there is not a number n which added to its sum of digits gives 428214950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428214953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4282100 + ... + 4282199.

It is an arithmetic number, because the mean of its divisors is an integer number (66373325).

Almost surely, 2^428214950 is an apocalyptic number.

428214950 is a deficient number, since it is larger than the sum of its proper divisors (368264950).

428214950 is a wasteful number, since it uses less digits than its factorization.

428214950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8564311 (or 8564306 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 428214950 is about 20693.3552136912. The cubic root of 428214950 is about 753.7383428384.

The spelling of 428214950 in words is "four hundred twenty-eight million, two hundred fourteen thousand, nine hundred fifty".