35621421 has 16 divisors (see below), whose sum is σ = 52589568. Its totient is φ = 21265200.

The previous prime is 35621419. The next prime is 35621437. The reversal of 35621421 is 12412653.

35621421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 35621421 - 2¹ = 35621419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 35621391 and 35621400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35621461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5845 + ... + 10266.

It is an arithmetic number, because the mean of its divisors is an integer number (3286848).

Almost surely, 2^35621421 is an apocalyptic number.

It is an amenable number.

35621421 is a deficient number, since it is larger than the sum of its proper divisors (16968147).

35621421 is a wasteful number, since it uses less digits than its factorization.

35621421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16192.

The product of its digits is 1440, while the sum is 24.

The square root of 35621421 is about 5968.3683699986. The cubic root of 35621421 is about 329.0311990196.

The spelling of 35621421 in words is "thirty-five million, six hundred twenty-one thousand, four hundred twenty-one".