951580 has 36 divisors (see below), whose sum is σ = 2326968. Its totient is φ = 325920.

The previous prime is 951571. The next prime is 951581. The reversal of 951580 is 85159.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (951581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495 + ... + 1465.

It is an arithmetic number, because the mean of its divisors is an integer number (64638).

2⁹⁵¹⁵⁸⁰ 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 951580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163484).

951580 is an abundant number, since it is smaller than the sum of its proper divisors (1375388).

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

951580 is a wasteful number, since it uses less digits than its factorization.

951580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 951580 is about 975.4896206521. The cubic root of 951580 is about 98.3592258414.

The spelling of 951580 in words is "nine hundred fifty-one thousand, five hundred eighty".