2661434 has 8 divisors (see below), whose sum is σ = 4047060. Its totient is φ = 1312416.

The previous prime is 2661427. The next prime is 2661457. The reversal of 2661434 is 4341662.

It can be written as a sum of positive squares in 2 ways, for example, as 2235025 + 426409 = 1495^2 + 653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2²¹ + 6² + 6² + 1 + 4⁷ + 3¹² + 4⁷ .

It is a plaindrome in base 15.

It is a nialpdrome in base 12.

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, 8969 + ... + 9260.

2^2661434 is an apocalyptic number.

2661434 is a deficient number, since it is larger than the sum of its proper divisors (1385626).

2661434 is a wasteful number, since it uses less digits than its factorization.

2661434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18304.

The product of its digits is 3456, while the sum is 26.

The square root of 2661434 is about 1631.3902047027. The cubic root of 2661434 is about 138.5814922672.

The spelling of 2661434 in words is "two million, six hundred sixty-one thousand, four hundred thirty-four".