2650402 has 16 divisors (see below), whose sum is σ = 4247640. Its totient is φ = 1235968.

The previous prime is 2650399. The next prime is 2650409. The reversal of 2650402 is 2040562.

It can be written as a sum of positive squares in 4 ways, for example, as 2277081 + 373321 = 1509^2 + 611^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2650402.

It is not an unprimeable number, because it can be changed into a prime (2650409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4374 + ... + 4942.

2^2650402 is an apocalyptic number.

2650402 is a deficient number, since it is larger than the sum of its proper divisors (1597238).

2650402 is a wasteful number, since it uses less digits than its factorization.

2650402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2650402 is about 1628.0055282461. The cubic root of 2650402 is about 138.3897474780.

Adding to 2650402 its reverse (2040562), we get a palindrome (4690964).

The spelling of 2650402 in words is "two million, six hundred fifty thousand, four hundred two".