4281690 has 32 divisors (see below), whose sum is σ = 11744640. Its totient is φ = 978624.

The previous prime is 4281679. The next prime is 4281691. The reversal of 4281690 is 961824.

It is a super-2 number, since 2×4281690² = 36665738512200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4281691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9985 + ... + 10404.

It is an arithmetic number, because the mean of its divisors is an integer number (367020).

Almost surely, 2^4281690 is an apocalyptic number.

4281690 is an abundant number, since it is smaller than the sum of its proper divisors (7462950).

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

4281690 is a wasteful number, since it uses less digits than its factorization.

4281690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20406.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 4281690 is about 2069.2244924126. The cubic root of 4281690 is about 162.3821946959.

The spelling of 4281690 in words is "four million, two hundred eighty-one thousand, six hundred ninety".