649896462 has 24 divisors (see below), whose sum is σ = 1453533120. Its totient is φ = 209643840.

The previous prime is 649896461. The next prime is 649896469. The reversal of 649896462 is 264698946.

649896462 is a `hidden beast` number, since 6 + 4 + 98 + 96 + 462 = 666.

It is a super-2 number, since 2×649896462² = 844730822640234888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 649896399 and 649896408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649896461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581787 + ... + 582902.

It is an arithmetic number, because the mean of its divisors is an integer number (60563880).

Almost surely, 2^649896462 is an apocalyptic number.

649896462 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

649896462 is an abundant number, since it is smaller than the sum of its proper divisors (803636658).

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

649896462 is a wasteful number, since it uses less digits than its factorization.

649896462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164728 (or 1164725 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 649896462 is about 25493.0669398564. The cubic root of 649896462 is about 866.1931087116.

The spelling of 649896462 in words is "six hundred forty-nine million, eight hundred ninety-six thousand, four hundred sixty-two".