1400077 has 6 divisors (see below), whose sum is σ = 1628718. Its totient is φ = 1200024.

The previous prime is 1400051. The next prime is 1400081. The reversal of 1400077 is 7700041.

It can be written as a sum of positive squares in only one way, i.e., 729316 + 670761 = 854^2 + 819^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1400077 is a prime.

It is a super-3 number, since 3×1400077³ = 8233358354706769599, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14238 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (271453).

2^1400077 is an apocalyptic number.

It is an amenable number.

1400077 is a deficient number, since it is larger than the sum of its proper divisors (228641).

1400077 is an equidigital number, since it uses as much as digits as its factorization.

1400077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28587 (or 28580 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 1400077 is about 1183.2484946113. The cubic root of 1400077 is about 111.8709451003.

The spelling of 1400077 in words is "one million, four hundred thousand, seventy-seven".