36491420 has 48 divisors (see below), whose sum is σ = 89035968. Its totient is φ = 12303360.

The previous prime is 36491393. The next prime is 36491431. The reversal of 36491420 is 2419463.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6404 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (1854916).

Almost surely, 2^36491420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36491420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44517984).

36491420 is an abundant number, since it is smaller than the sum of its proper divisors (52544548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36491420 is a wasteful number, since it uses less digits than its factorization.

36491420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4348 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 36491420 is about 6040.8128592103. The cubic root of 36491420 is about 331.6883779406.

The spelling of 36491420 in words is "thirty-six million, four hundred ninety-one thousand, four hundred twenty".