628281950 has 24 divisors (see below), whose sum is σ = 1197110880. Its totient is φ = 245182400.

The previous prime is 628281943. The next prime is 628281967. The reversal of 628281950 is 59182826.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 628281898 and 628281907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151190 + ... + 155289.

It is an arithmetic number, because the mean of its divisors is an integer number (49879620).

Almost surely, 2^628281950 is an apocalyptic number.

628281950 is a deficient number, since it is larger than the sum of its proper divisors (568828930).

628281950 is a wasteful number, since it uses less digits than its factorization.

628281950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306532 (or 306527 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 628281950 is about 25065.5530559371. The cubic root of 628281950 is about 856.4819095845.

The spelling of 628281950 in words is "six hundred twenty-eight million, two hundred eighty-one thousand, nine hundred fifty".