47498436 has 18 divisors (see below), whose sum is σ = 120065582. Its totient is φ = 15832800.

The previous prime is 47498431. The next prime is 47498447. The reversal of 47498436 is 63489474.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 2742336 = 6690^2 + 1656^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×47498436² = 4512202844892192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47498391 and 47498400.

It is not an unprimeable number, because it can be changed into a prime (47498431) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 659665 + ... + 659736.

Almost surely, 2^47498436 is an apocalyptic number.

It is an amenable number.

47498436 is an abundant number, since it is smaller than the sum of its proper divisors (72567146).

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

47498436 is a wasteful number, since it uses less digits than its factorization.

47498436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319411 (or 1319406 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 47498436 is about 6891.9109106256. The cubic root of 47498436 is about 362.1538472875.

The spelling of 47498436 in words is "forty-seven million, four hundred ninety-eight thousand, four hundred thirty-six".