1616412 has 36 divisors (see below), whose sum is σ = 4389000. Its totient is φ = 461664.

The previous prime is 1616401. The next prime is 1616429. The reversal of 1616412 is 2146161.

It is a super-2 number, since 2×1616412² = 5225575507488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787 + ... + 1962.

2^1616412 is an apocalyptic number.

1616412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1616412 is an abundant number, since it is smaller than the sum of its proper divisors (2772588).

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

1616412 is a wasteful number, since it uses less digits than its factorization.

1616412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770 (or 2761 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 1616412 is about 1271.3819253080. The cubic root of 1616412 is about 117.3592580743.

The spelling of 1616412 in words is "one million, six hundred sixteen thousand, four hundred twelve".