2147436 has 18 divisors (see below), whose sum is σ = 5428332. Its totient is φ = 715800.

The previous prime is 2147429. The next prime is 2147461. The reversal of 2147436 is 6347412.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2147436² = 9222962748192, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

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, 29790 + ... + 29861.

It is an arithmetic number, because the mean of its divisors is an integer number (301574).

2^2147436 is an apocalyptic number.

It is an amenable number.

2147436 is an abundant number, since it is smaller than the sum of its proper divisors (3280896).

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

2147436 is a wasteful number, since it uses less digits than its factorization.

2147436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59661 (or 59656 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 2147436 is about 1465.4132522944. The cubic root of 2147436 is about 129.0149613078.

The spelling of 2147436 in words is "two million, one hundred forty-seven thousand, four hundred thirty-six".