32428929 has 16 divisors (see below), whose sum is σ = 46694592. Its totient is φ = 19900608.

The previous prime is 32428927. The next prime is 32428939. The reversal of 32428929 is 92982423.

It is a happy number.

It is not a de Polignac number, because 32428929 - 2¹ = 32428927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (32428927) 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, 16339 + ... + 18215.

It is an arithmetic number, because the mean of its divisors is an integer number (2918412).

Almost surely, 2^32428929 is an apocalyptic number.

32428929 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

32428929 is a deficient number, since it is larger than the sum of its proper divisors (14265663).

32428929 is a wasteful number, since it uses less digits than its factorization.

32428929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336.

The product of its digits is 62208, while the sum is 39.

The square root of 32428929 is about 5694.6403749491. The cubic root of 32428929 is about 318.8924241648.

The spelling of 32428929 in words is "thirty-two million, four hundred twenty-eight thousand, nine hundred twenty-nine".