2999642 has 16 divisors (see below), whose sum is σ = 4658472. Its totient is φ = 1447680.

The previous prime is 2999639. The next prime is 2999651. The reversal of 2999642 is 2469992.

It can be written as a sum of positive squares in 4 ways, for example, as 1042441 + 1957201 = 1021^2 + 1399^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 2999642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12758 + ... + 12990.

2^2999642 is an apocalyptic number.

2999642 is a deficient number, since it is larger than the sum of its proper divisors (1658830).

2999642 is a wasteful number, since it uses less digits than its factorization.

2999642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433.

The product of its digits is 69984, while the sum is 41.

The square root of 2999642 is about 1731.9474587874. The cubic root of 2999642 is about 144.2192198542.

The spelling of 2999642 in words is "two million, nine hundred ninety-nine thousand, six hundred forty-two".