4261940 has 12 divisors (see below), whose sum is σ = 8950116. Its totient is φ = 1704768.

The previous prime is 4261931. The next prime is 4261949. The reversal of 4261940 is 491624.

It is an interprime number because it is at equal distance from previous prime (4261931) and next prime (4261949).

It can be written as a sum of positive squares in 2 ways, for example, as 3225616 + 1036324 = 1796^2 + 1018^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106529 + ... + 106568.

It is an arithmetic number, because the mean of its divisors is an integer number (745843).

Almost surely, 2^4261940 is an apocalyptic number.

It is an amenable number.

4261940 is an abundant number, since it is smaller than the sum of its proper divisors (4688176).

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

4261940 is a wasteful number, since it uses less digits than its factorization.

4261940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213106 (or 213104 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4261940 is about 2064.4466570972. The cubic root of 4261940 is about 162.1321382904.

The spelling of 4261940 in words is "four million, two hundred sixty-one thousand, nine hundred forty".