1009434 has 16 divisors (see below), whose sum is σ = 2073888. Its totient is φ = 327312.

The previous prime is 1009433. The next prime is 1009439. The reversal of 1009434 is 4349001.

It is a self number, because there is not a number n which added to its sum of digits gives 1009434.

It is not an unprimeable number, because it can be changed into a prime (1009433) 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, 2052 + ... + 2495.

It is an arithmetic number, because the mean of its divisors is an integer number (129618).

2^1009434 is an apocalyptic number.

1009434 is an abundant number, since it is smaller than the sum of its proper divisors (1064454).

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

1009434 is a wasteful number, since it uses less digits than its factorization.

1009434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1009434 is about 1004.7059271249. The cubic root of 1009434 is about 100.3134829243.

The spelling of 1009434 in words is "one million, nine thousand, four hundred thirty-four".