648298350 has 192 divisors, whose sum is σ = 2108436480. Its totient is φ = 143337600.

The previous prime is 648298337. The next prime is 648298369. The reversal of 648298350 is 53892846.

648298350 is a `hidden beast` number, since 6 + 4 + 8 + 298 + 350 = 666.

It is a super-2 number, since 2×648298350² = 840581501225445000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 648298296 and 648298305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 291844 + ... + 294056.

It is an arithmetic number, because the mean of its divisors is an integer number (10981440).

Almost surely, 2^648298350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648298350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054218240).

648298350 is an abundant number, since it is smaller than the sum of its proper divisors (1460138130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648298350 is a wasteful number, since it uses less digits than its factorization.

648298350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2261 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 648298350 is about 25461.7035957926. The cubic root of 648298350 is about 865.4825289554.

The spelling of 648298350 in words is "six hundred forty-eight million, two hundred ninety-eight thousand, three hundred fifty".