105419649 has 24 divisors (see below), whose sum is σ = 148150912. Its totient is φ = 66670560.

The previous prime is 105419647. The next prime is 105419681. The reversal of 105419649 is 946914501.

It is not a de Polignac number, because 105419649 - 2¹ = 105419647 is a prime.

It is a super-2 number, since 2×105419649² = 22226604790566402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105419647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287064 + ... + 287430.

Almost surely, 2^105419649 is an apocalyptic number.

It is an amenable number.

105419649 is a deficient number, since it is larger than the sum of its proper divisors (42731263).

105419649 is a wasteful number, since it uses less digits than its factorization.

105419649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 105419649 is about 10267.4071215668. The cubic root of 105419649 is about 472.3970627641.

The spelling of 105419649 in words is "one hundred five million, four hundred nineteen thousand, six hundred forty-nine".