1951960 has 16 divisors (see below), whose sum is σ = 4392000. Its totient is φ = 780768.

The previous prime is 1951951. The next prime is 1951967. The reversal of 1951960 is 691591.

It is an Ulam number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1951967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24360 + ... + 24439.

It is an arithmetic number, because the mean of its divisors is an integer number (274500).

2^1951960 is an apocalyptic number.

1951960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1951960 is an abundant number, since it is smaller than the sum of its proper divisors (2440040).

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

1951960 is a wasteful number, since it uses less digits than its factorization.

1951960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48810 (or 48806 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 1951960 is about 1397.1256206941. The cubic root of 1951960 is about 124.9751417235.

The spelling of 1951960 in words is "one million, nine hundred fifty-one thousand, nine hundred sixty".