2900642 has 8 divisors (see below), whose sum is σ = 4606956. Its totient is φ = 1364992.

The previous prime is 2900641. The next prime is 2900647. The reversal of 2900642 is 2460092.

It can be written as a sum of positive squares in 2 ways, for example, as 2193361 + 707281 = 1481^2 + 841^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2900641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42623 + ... + 42690.

2^2900642 is an apocalyptic number.

2900642 is a deficient number, since it is larger than the sum of its proper divisors (1706314).

2900642 is a wasteful number, since it uses less digits than its factorization.

2900642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85332.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2900642 is about 1703.1271238519. The cubic root of 2900642 is about 142.6148371527.

The spelling of 2900642 in words is "two million, nine hundred thousand, six hundred forty-two".