951861 has 8 divisors (see below), whose sum is σ = 1282624. Its totient is φ = 627840.

The previous prime is 951859. The next prime is 951887. The reversal of 951861 is 168159.

It is a happy number.

951861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 951861 - 2¹ = 951859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (951851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345 + ... + 1926.

It is an arithmetic number, because the mean of its divisors is an integer number (160328).

2⁹⁵¹⁸⁶¹ is an apocalyptic number.

It is an amenable number.

951861 is a deficient number, since it is larger than the sum of its proper divisors (330763).

951861 is a wasteful number, since it uses less digits than its factorization.

951861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371.

The product of its digits is 2160, while the sum is 30.

The square root of 951861 is about 975.6336402564. The cubic root of 951861 is about 98.3689066608.

The spelling of 951861 in words is "nine hundred fifty-one thousand, eight hundred sixty-one".