2401690 has 8 divisors (see below), whose sum is σ = 4323060. Its totient is φ = 960672.

The previous prime is 2401673. The next prime is 2401703. The reversal of 2401690 is 961042.

It can be written as a sum of positive squares in 2 ways, for example, as 2277081 + 124609 = 1509^2 + 353^2 .

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

It is a super-2 number, since 2×2401690² = 11536229712200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120075 + ... + 120094.

2^2401690 is an apocalyptic number.

2401690 is a deficient number, since it is larger than the sum of its proper divisors (1921370).

2401690 is a wasteful number, since it uses less digits than its factorization.

2401690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240176.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2401690 is about 1549.7386876503. The cubic root of 2401690 is about 133.9180088008.

The spelling of 2401690 in words is "two million, four hundred one thousand, six hundred ninety".