1451916 has 36 divisors (see below), whose sum is σ = 3791424. Its totient is φ = 468000.

The previous prime is 1451911. The next prime is 1451929. The reversal of 1451916 is 6191541.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1451916.

It is not an unprimeable number, because it can be changed into a prime (1451911) 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, 466 + ... + 1766.

2^1451916 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 1451916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895712).

1451916 is an abundant number, since it is smaller than the sum of its proper divisors (2339508).

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

1451916 is a wasteful number, since it uses less digits than its factorization.

1451916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1337 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 1451916 is about 1204.9547709354. The cubic root of 1451916 is about 113.2349511457.

It can be divided in two parts, 14519 and 16, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 1451916 in words is "one million, four hundred fifty-one thousand, nine hundred sixteen".