98831642 has 48 divisors (see below), whose sum is σ = 193925760. Its totient is φ = 36778752.

The previous prime is 98831639. The next prime is 98831671. The reversal of 98831642 is 24613889.

It is a self number, because there is not a number n which added to its sum of digits gives 98831642.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51659 + ... + 53537.

It is an arithmetic number, because the mean of its divisors is an integer number (4040120).

Almost surely, 2^98831642 is an apocalyptic number.

98831642 is a deficient number, since it is larger than the sum of its proper divisors (95094118).

98831642 is a wasteful number, since it uses less digits than its factorization.

98831642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1918 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 98831642 is about 9941.4104633095. The cubic root of 98831642 is about 462.3441181027.

It can be divided in two parts, 9883164 and 2, that multiplied together give a triangular number (19766328 = T₆₂₈₇).

The spelling of 98831642 in words is "ninety-eight million, eight hundred thirty-one thousand, six hundred forty-two".