1672416 has 36 divisors (see below), whose sum is σ = 4756752. Its totient is φ = 557376.

The previous prime is 1672393. The next prime is 1672421. The reversal of 1672416 is 6142761.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2616 + ... + 3191.

It is an arithmetic number, because the mean of its divisors is an integer number (132132).

2^1672416 is an apocalyptic number.

1672416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1672416 is an abundant number, since it is smaller than the sum of its proper divisors (3084336).

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

1672416 is a wasteful number, since it uses less digits than its factorization.

1672416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823 (or 5812 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1672416 is about 1293.2192389537. The cubic root of 1672416 is about 118.6992854543.

The spelling of 1672416 in words is "one million, six hundred seventy-two thousand, four hundred sixteen".