90013629 has 8 divisors (see below), whose sum is σ = 121809760. Its totient is φ = 59113296.

The previous prime is 90013607. The next prime is 90013633. The reversal of 90013629 is 92631009.

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

It is not a de Polignac number, because 90013629 - 2⁹ = 90013117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90013596 and 90013605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90013669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223714 + ... + 224115.

It is an arithmetic number, because the mean of its divisors is an integer number (15226220).

Almost surely, 2^90013629 is an apocalyptic number.

It is an amenable number.

90013629 is a deficient number, since it is larger than the sum of its proper divisors (31796131).

90013629 is a wasteful number, since it uses less digits than its factorization.

90013629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447899.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 90013629 is about 9487.5512646836. The cubic root of 90013629 is about 448.1630946492.

The spelling of 90013629 in words is "ninety million, thirteen thousand, six hundred twenty-nine".