2402690 has 16 divisors (see below), whose sum is σ = 4371192. Its totient is φ = 950784.

The previous prime is 2402677. The next prime is 2402707. The reversal of 2402690 is 962042.

It can be written as a sum of positive squares in 4 ways, for example, as 1874161 + 528529 = 1369^2 + 727^2 .

It is a super-2 number, since 2×2402690² = 11545838472200, which contains 22 as substring.

It is a plaindrome in base 14.

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, 269 + ... + 2208.

2^2402690 is an apocalyptic number.

2402690 is a deficient number, since it is larger than the sum of its proper divisors (1968502).

2402690 is a wasteful number, since it uses less digits than its factorization.

2402690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581.

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

The square root of 2402690 is about 1550.0612891109. The cubic root of 2402690 is about 133.9365928571.

The spelling of 2402690 in words is "two million, four hundred two thousand, six hundred ninety".