3955730 has 16 divisors (see below), whose sum is σ = 7539480. Its totient is φ = 1489152.

The previous prime is 3955727. The next prime is 3955733. The reversal of 3955730 is 375593.

It is an interprime number because it is at equal distance from previous prime (3955727) and next prime (3955733).

It can be written as a sum of positive squares in 4 ways, for example, as 3455881 + 499849 = 1859^2 + 707^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3955733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11465 + ... + 11804.

Almost surely, 2^3955730 is an apocalyptic number.

3955730 is a deficient number, since it is larger than the sum of its proper divisors (3583750).

3955730 is a wasteful number, since it uses less digits than its factorization.

3955730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23293.

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 3955730 is about 1988.9017069730. The cubic root of 3955730 is about 158.1523126645.

The spelling of 3955730 in words is "three million, nine hundred fifty-five thousand, seven hundred thirty".