32990451 has 8 divisors (see below), whose sum is σ = 47370960. Its totient is φ = 20301792.

The previous prime is 32990449. The next prime is 32990459. The reversal of 32990451 is 15409923.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32990451 - 2¹ = 32990449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32990459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422916 + ... + 422993.

It is an arithmetic number, because the mean of its divisors is an integer number (5921370).

Almost surely, 2^32990451 is an apocalyptic number.

32990451 is a deficient number, since it is larger than the sum of its proper divisors (14380509).

32990451 is a wasteful number, since it uses less digits than its factorization.

32990451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845925.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 32990451 is about 5743.7314526360. The cubic root of 32990451 is about 320.7224918884.

The spelling of 32990451 in words is "thirty-two million, nine hundred ninety thousand, four hundred fifty-one".