4540690 has 32 divisors (see below), whose sum is σ = 10191744. Its totient is φ = 1415040.

The previous prime is 4540687. The next prime is 4540727. The reversal of 4540690 is 960454.

4540690 = 106² + 107² + ... + 245².

It is a super-2 number, since 2×4540690² = 41235731352200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2179 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (318492).

Almost surely, 2^4540690 is an apocalyptic number.

4540690 is an abundant number, since it is smaller than the sum of its proper divisors (5651054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4540690 is a wasteful number, since it uses less digits than its factorization.

4540690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4540690 is about 2130.8894856374. The cubic root of 4540690 is about 165.5924827583.

The spelling of 4540690 in words is "four million, five hundred forty thousand, six hundred ninety".