49998947 has 2 divisors, whose sum is σ = 49998948. Its totient is φ = 49998946.

The previous prime is 49998931. The next prime is 49998953. The reversal of 49998947 is 74989994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49998947 - 2⁴ = 49998931 is a prime.

It is a super-2 number, since 2×49998947² = 4999789402217618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49998917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999473 + 24999474.

It is an arithmetic number, because the mean of its divisors is an integer number (24999474).

Almost surely, 2^49998947 is an apocalyptic number.

49998947 is a deficient number, since it is larger than the sum of its proper divisors (1).

49998947 is an equidigital number, since it uses as much as digits as its factorization.

49998947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 59.

The square root of 49998947 is about 7070.9933531294. The cubic root of 49998947 is about 368.4005636558.

The spelling of 49998947 in words is "forty-nine million, nine hundred ninety-eight thousand, nine hundred forty-seven".