43061590 has 32 divisors (see below), whose sum is σ = 91064736. Its totient is φ = 14453760.

The previous prime is 43061587. The next prime is 43061591. The reversal of 43061590 is 9516034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43061591) 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, 13627 + ... + 16486.

It is an arithmetic number, because the mean of its divisors is an integer number (2845773).

Almost surely, 2^43061590 is an apocalyptic number.

43061590 is an abundant number, since it is smaller than the sum of its proper divisors (48003146).

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

43061590 is a wasteful number, since it uses less digits than its factorization.

43061590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30144.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 43061590 is about 6562.1330373591. The cubic root of 43061590 is about 350.5069931307.

The spelling of 43061590 in words is "forty-three million, sixty-one thousand, five hundred ninety".