49999894 has 12 divisors (see below), whose sum is σ = 87244884. Its totient is φ = 21428484.

The previous prime is 49999883. The next prime is 49999897. The reversal of 49999894 is 49899994.

49999894 = T₁₄₀₄ + T₁₄₀₅ + ... + T₁₄₅₂.

It is a super-2 number, since 2×49999894² = 4999978800022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255004 + ... + 255199.

It is an arithmetic number, because the mean of its divisors is an integer number (7270407).

Almost surely, 2^49999894 is an apocalyptic number.

49999894 is a deficient number, since it is larger than the sum of its proper divisors (37244990).

49999894 is a wasteful number, since it uses less digits than its factorization.

49999894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510219 (or 510212 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 61.

The square root of 49999894 is about 7071.0603165296. The cubic root of 49999894 is about 368.4028895256.

The spelling of 49999894 in words is "forty-nine million, nine hundred ninety-nine thousand, eight hundred ninety-four".