263050998 has 64 divisors (see below), whose sum is σ = 620186112. Its totient is φ = 72817920.

The previous prime is 263050973. The next prime is 263050999. The reversal of 263050998 is 899050362.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263050999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297465 + ... + 298347.

It is an arithmetic number, because the mean of its divisors is an integer number (9690408).

Almost surely, 2^263050998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263050998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310093056).

263050998 is an abundant number, since it is smaller than the sum of its proper divisors (357135114).

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

263050998 is a wasteful number, since it uses less digits than its factorization.

263050998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 263050998 is about 16218.8469997099. The cubic root of 263050998 is about 640.7372672187.

It can be divided in two parts, 2630 and 50998, that added together give a triangular number (53628 = T₃₂₇).

The spelling of 263050998 in words is "two hundred sixty-three million, fifty thousand, nine hundred ninety-eight".