15395961 has 8 divisors (see below), whose sum is σ = 23460544. Its totient is φ = 8797680.

The previous prime is 15395957. The next prime is 15395971. The reversal of 15395961 is 16959351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15395961 - 2² = 15395957 is a prime.

It is a super-2 number, since 2×15395961² = 474071230227042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15395921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366550 + ... + 366591.

It is an arithmetic number, because the mean of its divisors is an integer number (2932568).

Almost surely, 2^15395961 is an apocalyptic number.

It is an amenable number.

15395961 is a deficient number, since it is larger than the sum of its proper divisors (8064583).

15395961 is an equidigital number, since it uses as much as digits as its factorization.

15395961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733151.

The product of its digits is 36450, while the sum is 39.

The square root of 15395961 is about 3923.7687240713. The cubic root of 15395961 is about 248.7724409272.

The spelling of 15395961 in words is "fifteen million, three hundred ninety-five thousand, nine hundred sixty-one".