1961418 has 8 divisors (see below), whose sum is σ = 3922848. Its totient is φ = 653804.

The previous prime is 1961413. The next prime is 1961419. The reversal of 1961418 is 8141691.

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

1961418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1961411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163446 + ... + 163457.

It is an arithmetic number, because the mean of its divisors is an integer number (490356).

2^1961418 is an apocalyptic number.

1961418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1961418 is a wasteful number, since it uses less digits than its factorization.

1961418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326908.

The product of its digits is 1728, while the sum is 30.

The square root of 1961418 is about 1400.5063370082. The cubic root of 1961418 is about 125.1766675244.

The spelling of 1961418 in words is "one million, nine hundred sixty-one thousand, four hundred eighteen".