4261500 has 72 divisors (see below), whose sum is σ = 13457808. Its totient is φ = 1135200.

The previous prime is 4261483. The next prime is 4261519. The reversal of 4261500 is 51624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4027 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (186914).

Almost surely, 2^4261500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4261500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6728904).

4261500 is an abundant number, since it is smaller than the sum of its proper divisors (9196308).

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

4261500 is a wasteful number, since it uses less digits than its factorization.

4261500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4261500 is about 2064.3400882607. The cubic root of 4261500 is about 162.1265586251.

Adding to 4261500 its product of nonzero digits (240), we get a triangular number (4261740 = T₂₉₁₉).

It can be divided in two parts, 4261 and 500, that added together give a square (4761 = 69²).

The spelling of 4261500 in words is "four million, two hundred sixty-one thousand, five hundred".