98157961 has 16 divisors (see below), whose sum is σ = 110248128. Its totient is φ = 86632000.

The previous prime is 98157959. The next prime is 98157973. The reversal of 98157961 is 16975189.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 98157961 - 2¹ = 98157959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98157901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58050 + ... + 59716.

It is an arithmetic number, because the mean of its divisors is an integer number (6890508).

Almost surely, 2^98157961 is an apocalyptic number.

It is an amenable number.

98157961 is a deficient number, since it is larger than the sum of its proper divisors (12090167).

98157961 is a wasteful number, since it uses less digits than its factorization.

98157961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its digits is 136080, while the sum is 46.

The square root of 98157961 is about 9907.4699595810. The cubic root of 98157961 is about 461.2912068218.

The spelling of 98157961 in words is "ninety-eight million, one hundred fifty-seven thousand, nine hundred sixty-one".