1401939 has 54 divisors (see below), whose sum is σ = 2729844. Its totient is φ = 685440.

The previous prime is 1401937. The next prime is 1401943. The reversal of 1401939 is 9391041.

It is not a de Polignac number, because 1401939 - 2¹ = 1401937 is a prime.

1401939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1401937) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 82459 + ... + 82475.

2^1401939 is an apocalyptic number.

1401939 is a deficient number, since it is larger than the sum of its proper divisors (1327905).

1401939 is a wasteful number, since it uses less digits than its factorization.

1401939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1401939 is about 1184.0350501569. The cubic root of 1401939 is about 111.9205165227.

The spelling of 1401939 in words is "one million, four hundred one thousand, nine hundred thirty-nine".