4280738 has 54 divisors (see below), whose sum is σ = 8665083. Its totient is φ = 1580040.

The previous prime is 4280659. The next prime is 4280741. The reversal of 4280738 is 8370824.

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 2140369 = 1463^2 + 1463^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1463.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 225293 + ... + 225311.

Almost surely, 2^4280738 is an apocalyptic number.

4280738 is an abundant number, since it is smaller than the sum of its proper divisors (4384345).

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

4280738 is a wasteful number, since it uses less digits than its factorization.

4280738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 4280738 is about 2068.9944417518. The cubic root of 4280738 is about 162.3701590038.

Multiplying 4280738 by its sum of digits (32), we get a square (136983616 = 11704²).

The spelling of 4280738 in words is "four million, two hundred eighty thousand, seven hundred thirty-eight".