1615948 has 12 divisors (see below), whose sum is σ = 2851072. Its totient is φ = 801360.

The previous prime is 1615921. The next prime is 1615949. The reversal of 1615948 is 8495161.

It is a super-2 number, since 2×1615948² = 5222575877408, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 6² + 1 + 5⁵ + 9⁶ + 4¹⁰ + 8⁵ .

It is not an unprimeable number, because it can be changed into a prime (1615949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083 + ... + 2098.

2^1615948 is an apocalyptic number.

It is an amenable number.

1615948 is a deficient number, since it is larger than the sum of its proper divisors (1235124).

1615948 is a wasteful number, since it uses less digits than its factorization.

1615948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312 (or 3310 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 1615948 is about 1271.1994336059. The cubic root of 1615948 is about 117.3480274584.

The spelling of 1615948 in words is "one million, six hundred fifteen thousand, nine hundred forty-eight".