41690649 has 32 divisors (see below), whose sum is σ = 74640384. Its totient is φ = 19990080.

The previous prime is 41690599. The next prime is 41690653. The reversal of 41690649 is 94609614.

It is not a de Polignac number, because 41690649 - 2⁸ = 41690393 is a prime.

It is a super-2 number, since 2×41690649² = 3476220428082402, 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. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (41690659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3939 + ... + 9944.

It is an arithmetic number, because the mean of its divisors is an integer number (2332512).

Almost surely, 2^41690649 is an apocalyptic number.

It is an amenable number.

41690649 is a deficient number, since it is larger than the sum of its proper divisors (32949735).

41690649 is a wasteful number, since it uses less digits than its factorization.

41690649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13917.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 41690649 is about 6456.8296400014. The cubic root of 41690649 is about 346.7471381030.

The spelling of 41690649 in words is "forty-one million, six hundred ninety thousand, six hundred forty-nine".