90477049 has 8 divisors (see below), whose sum is σ = 97944392. Its totient is φ = 83082240.

The previous prime is 90477029. The next prime is 90477067. The reversal of 90477049 is 94077409.

It can be written as a sum of positive squares in 4 ways, for example, as 360000 + 90117049 = 600^2 + 9493^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 90477049 - 2⁵ = 90477017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90477029) 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, 15522 + ... + 20539.

It is an arithmetic number, because the mean of its divisors is an integer number (12243049).

Almost surely, 2^90477049 is an apocalyptic number.

It is an amenable number.

90477049 is a deficient number, since it is larger than the sum of its proper divisors (7467343).

90477049 is a wasteful number, since it uses less digits than its factorization.

90477049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36267.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 90477049 is about 9511.9424409528. The cubic root of 90477049 is about 448.9308759450.

The spelling of 90477049 in words is "ninety million, four hundred seventy-seven thousand, forty-nine".