1491612 has 12 divisors (see below), whose sum is σ = 3480456. Its totient is φ = 497200.

The previous prime is 1491601. The next prime is 1491629. The reversal of 1491612 is 2161941.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62139 + ... + 62162.

It is an arithmetic number, because the mean of its divisors is an integer number (290038).

2^1491612 is an apocalyptic number.

1491612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1491612 is an abundant number, since it is smaller than the sum of its proper divisors (1988844).

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

1491612 is a wasteful number, since it uses less digits than its factorization.

1491612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124308 (or 124306 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 1491612 is about 1221.3156840064. The cubic root of 1491612 is about 114.2576505498.

The spelling of 1491612 in words is "one million, four hundred ninety-one thousand, six hundred twelve".