1670416 has 20 divisors (see below), whose sum is σ = 3531024. Its totient is φ = 759200.

The previous prime is 1670413. The next prime is 1670419. The reversal of 1670416 is 6140761.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1670413) and next prime (1670419).

It is a super-2 number, since 2×1670416² = 5580579226112, which contains 22 as substring.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1670411) 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, 4570 + ... + 4921.

2^1670416 is an apocalyptic number.

1670416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1670416 is an abundant number, since it is smaller than the sum of its proper divisors (1860608).

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

1670416 is a wasteful number, since it uses less digits than its factorization.

1670416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510 (or 9504 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1670416 is about 1292.4457435421. The cubic root of 1670416 is about 118.6519500890.

The spelling of 1670416 in words is "one million, six hundred seventy thousand, four hundred sixteen".