2906642 has 4 divisors (see below), whose sum is σ = 4359966. Its totient is φ = 1453320.

The previous prime is 2906633. The next prime is 2906663. The reversal of 2906642 is 2466092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1540081 + 1366561 = 1241^2 + 1169^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726659 + ... + 726662.

2^2906642 is an apocalyptic number.

2906642 is a deficient number, since it is larger than the sum of its proper divisors (1453324).

2906642 is a wasteful number, since it uses less digits than its factorization.

2906642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453323.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2906642 is about 1704.8876795848. The cubic root of 2906642 is about 142.7131027206.

The spelling of 2906642 in words is "two million, nine hundred six thousand, six hundred forty-two".