98155972 has 6 divisors (see below), whose sum is σ = 171772958. Its totient is φ = 49077984.

The previous prime is 98155969. The next prime is 98155987. The reversal of 98155972 is 27955189.

It can be written as a sum of positive squares in only one way, i.e., 97298496 + 857476 = 9864^2 + 926^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12269493 + ... + 12269500.

Almost surely, 2^98155972 is an apocalyptic number.

It is an amenable number.

98155972 is a deficient number, since it is larger than the sum of its proper divisors (73616986).

98155972 is a wasteful number, since it uses less digits than its factorization.

98155972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24538997 (or 24538995 counting only the distinct ones).

The product of its digits is 226800, while the sum is 46.

The square root of 98155972 is about 9907.3695802670. The cubic root of 98155972 is about 461.2880910467.

It can be divided in two parts, 981 and 55972, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 98155972 in words is "ninety-eight million, one hundred fifty-five thousand, nine hundred seventy-two".