32990545 has 16 divisors (see below), whose sum is σ = 46805760. Its totient is φ = 21841344.

The previous prime is 32990501. The next prime is 32990549. The reversal of 32990545 is 54509923.

It is not a de Polignac number, because 32990545 - 2¹³ = 32982353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32990549) 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, 15237 + ... + 17266.

It is an arithmetic number, because the mean of its divisors is an integer number (2925360).

Almost surely, 2^32990545 is an apocalyptic number.

32990545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32990545 is a deficient number, since it is larger than the sum of its proper divisors (13815215).

32990545 is a wasteful number, since it uses less digits than its factorization.

32990545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32544.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 32990545 is about 5743.7396354640. The cubic root of 32990545 is about 320.7227965006.

The spelling of 32990545 in words is "thirty-two million, nine hundred ninety thousand, five hundred forty-five".