32990613 has 4 divisors (see below), whose sum is σ = 43987488. Its totient is φ = 21993740.

The previous prime is 32990611. The next prime is 32990623. The reversal of 32990613 is 31609923.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32990613 - 2¹ = 32990611 is a prime.

It is a super-2 number, since 2×32990613² = 2176761092231538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32990611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5498433 + ... + 5498438.

It is an arithmetic number, because the mean of its divisors is an integer number (10996872).

Almost surely, 2^32990613 is an apocalyptic number.

It is an amenable number.

32990613 is a deficient number, since it is larger than the sum of its proper divisors (10996875).

32990613 is a wasteful number, since it uses less digits than its factorization.

32990613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10996874.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 32990613 is about 5743.7455549493. The cubic root of 32990613 is about 320.7230168581.

The spelling of 32990613 in words is "thirty-two million, nine hundred ninety thousand, six hundred thirteen".